Home / 1,119,875.76-1,680,148.80-361,836.36

Finding the Fourth Proportional to 1,119,875.76, 1,680,148.80 and 361,836.36

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Solution

The fourth proportional to 1,119,875.76, 1,680,148.80 and 361,836.36 is: 542,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,875.76 : 1,680,148.80 = 361,836.36 : x
  2. Step 2: Convert to fraction form
    1,119,875.76/1,680,148.80 = 361,836.36/x
  3. Step 3: Cross multiply
    1,119,875.76x = 1,680,148.80 × 361,836.36
  4. Step 4: Simplify right side
    1,119,875.76x = 607,938,926,050.37
  5. Step 5: Solve for x
    x = 607,938,926,050.37/1,119,875.76
  6. Step 6: Final answer
    x = 542,862.83

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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.