Home / 1,013,693.18-1,398,839.67-554,806.82

Finding the Fourth Proportional to 1,013,693.18, 1,398,839.67 and 554,806.82

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Solution

The fourth proportional to 1,013,693.18, 1,398,839.67 and 554,806.82 is: 765,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,693.18 : 1,398,839.67 = 554,806.82 : x
  2. Step 2: Convert to fraction form
    1,013,693.18/1,398,839.67 = 554,806.82/x
  3. Step 3: Cross multiply
    1,013,693.18x = 1,398,839.67 × 554,806.82
  4. Step 4: Simplify right side
    1,013,693.18x = 776,085,782,008.35
  5. Step 5: Solve for x
    x = 776,085,782,008.35/1,013,693.18
  6. Step 6: Final answer
    x = 765,602.25

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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.