Home / 926,549.28-1,387,471.68-776,394.72

Finding the Fourth Proportional to 926,549.28, 1,387,471.68 and 776,394.72

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Solution

The fourth proportional to 926,549.28, 1,387,471.68 and 776,394.72 is: 1,162,621.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,549.28 : 1,387,471.68 = 776,394.72 : x
  2. Step 2: Convert to fraction form
    926,549.28/1,387,471.68 = 776,394.72/x
  3. Step 3: Cross multiply
    926,549.28x = 1,387,471.68 × 776,394.72
  4. Step 4: Simplify right side
    926,549.28x = 1,077,225,686,501.53
  5. Step 5: Solve for x
    x = 1,077,225,686,501.53/926,549.28
  6. Step 6: Final answer
    x = 1,162,621.04

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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.