Home / 1,068,139.80-1,602,209.70-508,267.80

Finding the Fourth Proportional to 1,068,139.80, 1,602,209.70 and 508,267.80

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Solution

The fourth proportional to 1,068,139.80, 1,602,209.70 and 508,267.80 is: 762,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,139.80 : 1,602,209.70 = 508,267.80 : x
  2. Step 2: Convert to fraction form
    1,068,139.80/1,602,209.70 = 508,267.80/x
  3. Step 3: Cross multiply
    1,068,139.80x = 1,602,209.70 × 508,267.80
  4. Step 4: Simplify right side
    1,068,139.80x = 814,351,599,357.66
  5. Step 5: Solve for x
    x = 814,351,599,357.66/1,068,139.80
  6. Step 6: Final answer
    x = 762,401.70

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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.