Home / 1,047,979.47-1,572,358.44-727,962.72

Finding the Fourth Proportional to 1,047,979.47, 1,572,358.44 and 727,962.72

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Solution

The fourth proportional to 1,047,979.47, 1,572,358.44 and 727,962.72 is: 1,092,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,979.47 : 1,572,358.44 = 727,962.72 : x
  2. Step 2: Convert to fraction form
    1,047,979.47/1,572,358.44 = 727,962.72/x
  3. Step 3: Cross multiply
    1,047,979.47x = 1,572,358.44 × 727,962.72
  4. Step 4: Simplify right side
    1,047,979.47x = 1,144,618,315,295.75
  5. Step 5: Solve for x
    x = 1,144,618,315,295.75/1,047,979.47
  6. Step 6: Final answer
    x = 1,092,214.45

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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.