Home / 1,009,304.20-1,392,842.10-556,591.24

Finding the Fourth Proportional to 1,009,304.20, 1,392,842.10 and 556,591.24

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Solution

The fourth proportional to 1,009,304.20, 1,392,842.10 and 556,591.24 is: 768,097.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,304.20 : 1,392,842.10 = 556,591.24 : x
  2. Step 2: Convert to fraction form
    1,009,304.20/1,392,842.10 = 556,591.24/x
  3. Step 3: Cross multiply
    1,009,304.20x = 1,392,842.10 × 556,591.24
  4. Step 4: Simplify right side
    1,009,304.20x = 775,243,711,563.20
  5. Step 5: Solve for x
    x = 775,243,711,563.20/1,009,304.20
  6. Step 6: Final answer
    x = 768,097.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.