Home / 1,013,128.28-1,397,980.06-577,601.81

Finding the Fourth Proportional to 1,013,128.28, 1,397,980.06 and 577,601.81

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Solution

The fourth proportional to 1,013,128.28, 1,397,980.06 and 577,601.81 is: 797,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,128.28 : 1,397,980.06 = 577,601.81 : x
  2. Step 2: Convert to fraction form
    1,013,128.28/1,397,980.06 = 577,601.81/x
  3. Step 3: Cross multiply
    1,013,128.28x = 1,397,980.06 × 577,601.81
  4. Step 4: Simplify right side
    1,013,128.28x = 807,475,806,010.01
  5. Step 5: Solve for x
    x = 807,475,806,010.01/1,013,128.28
  6. Step 6: Final answer
    x = 797,012.41

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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.