Home / 1,069,842.36-1,602,101.58-748,489.72

Finding the Fourth Proportional to 1,069,842.36, 1,602,101.58 and 748,489.72

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Solution

The fourth proportional to 1,069,842.36, 1,602,101.58 and 748,489.72 is: 1,120,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,842.36 : 1,602,101.58 = 748,489.72 : x
  2. Step 2: Convert to fraction form
    1,069,842.36/1,602,101.58 = 748,489.72/x
  3. Step 3: Cross multiply
    1,069,842.36x = 1,602,101.58 × 748,489.72
  4. Step 4: Simplify right side
    1,069,842.36x = 1,199,156,563,025.76
  5. Step 5: Solve for x
    x = 1,199,156,563,025.76/1,069,842.36
  6. Step 6: Final answer
    x = 1,120,872.20

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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.