Home / 1,185,344.76-1,635,763.02-641,468.52

Finding the Fourth Proportional to 1,185,344.76, 1,635,763.02 and 641,468.52

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Solution

The fourth proportional to 1,185,344.76, 1,635,763.02 and 641,468.52 is: 885,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,344.76 : 1,635,763.02 = 641,468.52 : x
  2. Step 2: Convert to fraction form
    1,185,344.76/1,635,763.02 = 641,468.52/x
  3. Step 3: Cross multiply
    1,185,344.76x = 1,635,763.02 × 641,468.52
  4. Step 4: Simplify right side
    1,185,344.76x = 1,049,290,483,510.13
  5. Step 5: Solve for x
    x = 1,049,290,483,510.13/1,185,344.76
  6. Step 6: Final answer
    x = 885,219.66

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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.