Home / 1,487,969.50-2,053,587.88-876,179.20

Finding the Fourth Proportional to 1,487,969.50, 2,053,587.88 and 876,179.20

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Solution

The fourth proportional to 1,487,969.50, 2,053,587.88 and 876,179.20 is: 1,209,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,969.50 : 2,053,587.88 = 876,179.20 : x
  2. Step 2: Convert to fraction form
    1,487,969.50/2,053,587.88 = 876,179.20/x
  3. Step 3: Cross multiply
    1,487,969.50x = 2,053,587.88 × 876,179.20
  4. Step 4: Simplify right side
    1,487,969.50x = 1,799,310,985,828.10
  5. Step 5: Solve for x
    x = 1,799,310,985,828.10/1,487,969.50
  6. Step 6: Final answer
    x = 1,209,239.16

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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.