Home / 1,068,948.80-1,603,423.20-509,076.80

Finding the Fourth Proportional to 1,068,948.80, 1,603,423.20 and 509,076.80

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Solution

The fourth proportional to 1,068,948.80, 1,603,423.20 and 509,076.80 is: 763,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,948.80 : 1,603,423.20 = 509,076.80 : x
  2. Step 2: Convert to fraction form
    1,068,948.80/1,603,423.20 = 509,076.80/x
  3. Step 3: Cross multiply
    1,068,948.80x = 1,603,423.20 × 509,076.80
  4. Step 4: Simplify right side
    1,068,948.80x = 816,265,551,701.76
  5. Step 5: Solve for x
    x = 816,265,551,701.76/1,068,948.80
  6. Step 6: Final answer
    x = 763,615.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.