Home / 1,010,943.60-1,516,415.40-479,502.60

Finding the Fourth Proportional to 1,010,943.60, 1,516,415.40 and 479,502.60

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Solution

The fourth proportional to 1,010,943.60, 1,516,415.40 and 479,502.60 is: 719,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,943.60 : 1,516,415.40 = 479,502.60 : x
  2. Step 2: Convert to fraction form
    1,010,943.60/1,516,415.40 = 479,502.60/x
  3. Step 3: Cross multiply
    1,010,943.60x = 1,516,415.40 × 479,502.60
  4. Step 4: Simplify right side
    1,010,943.60x = 727,125,126,980.04
  5. Step 5: Solve for x
    x = 727,125,126,980.04/1,010,943.60
  6. Step 6: Final answer
    x = 719,253.90

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Double scale
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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.