Home / 1,375,501.64-1,898,328.66-771,892.04

Finding the Fourth Proportional to 1,375,501.64, 1,898,328.66 and 771,892.04

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Solution

The fourth proportional to 1,375,501.64, 1,898,328.66 and 771,892.04 is: 1,065,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,501.64 : 1,898,328.66 = 771,892.04 : x
  2. Step 2: Convert to fraction form
    1,375,501.64/1,898,328.66 = 771,892.04/x
  3. Step 3: Cross multiply
    1,375,501.64x = 1,898,328.66 × 771,892.04
  4. Step 4: Simplify right side
    1,375,501.64x = 1,465,304,781,957.87
  5. Step 5: Solve for x
    x = 1,465,304,781,957.87/1,375,501.64
  6. Step 6: Final answer
    x = 1,065,287.56

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