Home / 1,030,373.28-1,545,260.40-399,146.40

Finding the Fourth Proportional to 1,030,373.28, 1,545,260.40 and 399,146.40

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Solution

The fourth proportional to 1,030,373.28, 1,545,260.40 and 399,146.40 is: 598,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,373.28 : 1,545,260.40 = 399,146.40 : x
  2. Step 2: Convert to fraction form
    1,030,373.28/1,545,260.40 = 399,146.40/x
  3. Step 3: Cross multiply
    1,030,373.28x = 1,545,260.40 × 399,146.40
  4. Step 4: Simplify right side
    1,030,373.28x = 616,785,125,722.56
  5. Step 5: Solve for x
    x = 616,785,125,722.56/1,030,373.28
  6. Step 6: Final answer
    x = 598,603.57

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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.