Home / 1,158,339.24-1,598,518.85-642,098.70

Finding the Fourth Proportional to 1,158,339.24, 1,598,518.85 and 642,098.70

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Solution

The fourth proportional to 1,158,339.24, 1,598,518.85 and 642,098.70 is: 886,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,339.24 : 1,598,518.85 = 642,098.70 : x
  2. Step 2: Convert to fraction form
    1,158,339.24/1,598,518.85 = 642,098.70/x
  3. Step 3: Cross multiply
    1,158,339.24x = 1,598,518.85 × 642,098.70
  4. Step 4: Simplify right side
    1,158,339.24x = 1,026,406,872,300.00
  5. Step 5: Solve for x
    x = 1,026,406,872,300.00/1,158,339.24
  6. Step 6: Final answer
    x = 886,102.13

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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.