Home / 1,371,397.12-1,892,726.40-767,824

Finding the Fourth Proportional to 1,371,397.12, 1,892,726.40 and 767,824

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Solution

The fourth proportional to 1,371,397.12, 1,892,726.40 and 767,824 is: 1,059,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,397.12 : 1,892,726.40 = 767,824 : x
  2. Step 2: Convert to fraction form
    1,371,397.12/1,892,726.40 = 767,824/x
  3. Step 3: Cross multiply
    1,371,397.12x = 1,892,726.40 × 767,824
  4. Step 4: Simplify right side
    1,371,397.12x = 1,453,280,755,353.60
  5. Step 5: Solve for x
    x = 1,453,280,755,353.60/1,371,397.12
  6. Step 6: Final answer
    x = 1,059,708.19

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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.