Home / 1,159,225.83-1,599,732.18-642,961.80

Finding the Fourth Proportional to 1,159,225.83, 1,599,732.18 and 642,961.80

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Solution

The fourth proportional to 1,159,225.83, 1,599,732.18 and 642,961.80 is: 887,287.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,225.83 : 1,599,732.18 = 642,961.80 : x
  2. Step 2: Convert to fraction form
    1,159,225.83/1,599,732.18 = 642,961.80/x
  3. Step 3: Cross multiply
    1,159,225.83x = 1,599,732.18 × 642,961.80
  4. Step 4: Simplify right side
    1,159,225.83x = 1,028,566,681,970.72
  5. Step 5: Solve for x
    x = 1,028,566,681,970.72/1,159,225.83
  6. Step 6: Final answer
    x = 887,287.58

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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.