Home / 1,878,059.52-2,817,118.98-458,142.48

Finding the Fourth Proportional to 1,878,059.52, 2,817,118.98 and 458,142.48

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Solution

The fourth proportional to 1,878,059.52, 2,817,118.98 and 458,142.48 is: 687,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,059.52 : 2,817,118.98 = 458,142.48 : x
  2. Step 2: Convert to fraction form
    1,878,059.52/2,817,118.98 = 458,142.48/x
  3. Step 3: Cross multiply
    1,878,059.52x = 2,817,118.98 × 458,142.48
  4. Step 4: Simplify right side
    1,878,059.52x = 1,290,641,875,952.27
  5. Step 5: Solve for x
    x = 1,290,641,875,952.27/1,878,059.52
  6. Step 6: Final answer
    x = 687,220.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.