Home / 1,539,118.80-2,308,678.20-972,248.40

Finding the Fourth Proportional to 1,539,118.80, 2,308,678.20 and 972,248.40

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Solution

The fourth proportional to 1,539,118.80, 2,308,678.20 and 972,248.40 is: 1,458,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,118.80 : 2,308,678.20 = 972,248.40 : x
  2. Step 2: Convert to fraction form
    1,539,118.80/2,308,678.20 = 972,248.40/x
  3. Step 3: Cross multiply
    1,539,118.80x = 2,308,678.20 × 972,248.40
  4. Step 4: Simplify right side
    1,539,118.80x = 2,244,608,686,064.88
  5. Step 5: Solve for x
    x = 2,244,608,686,064.88/1,539,118.80
  6. Step 6: Final answer
    x = 1,458,372.60

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Similar ratio
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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.