Home / 1,042,117.40-1,563,176.10-509,364.20

Finding the Fourth Proportional to 1,042,117.40, 1,563,176.10 and 509,364.20

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Solution

The fourth proportional to 1,042,117.40, 1,563,176.10 and 509,364.20 is: 764,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,117.40 : 1,563,176.10 = 509,364.20 : x
  2. Step 2: Convert to fraction form
    1,042,117.40/1,563,176.10 = 509,364.20/x
  3. Step 3: Cross multiply
    1,042,117.40x = 1,563,176.10 × 509,364.20
  4. Step 4: Simplify right side
    1,042,117.40x = 796,225,943,635.62
  5. Step 5: Solve for x
    x = 796,225,943,635.62/1,042,117.40
  6. Step 6: Final answer
    x = 764,046.30

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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.