Home / 986,117.28-1,360,742.16-572,510.88

Finding the Fourth Proportional to 986,117.28, 1,360,742.16 and 572,510.88

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Solution

The fourth proportional to 986,117.28, 1,360,742.16 and 572,510.88 is: 790,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,117.28 : 1,360,742.16 = 572,510.88 : x
  2. Step 2: Convert to fraction form
    986,117.28/1,360,742.16 = 572,510.88/x
  3. Step 3: Cross multiply
    986,117.28x = 1,360,742.16 × 572,510.88
  4. Step 4: Simplify right side
    986,117.28x = 779,039,691,474.70
  5. Step 5: Solve for x
    x = 779,039,691,474.70/986,117.28
  6. Step 6: Final answer
    x = 790,007.14

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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.