Home / 1,572,155.13-2,169,518.06-874,432.26

Finding the Fourth Proportional to 1,572,155.13, 2,169,518.06 and 874,432.26

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Solution

The fourth proportional to 1,572,155.13, 2,169,518.06 and 874,432.26 is: 1,206,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,155.13 : 2,169,518.06 = 874,432.26 : x
  2. Step 2: Convert to fraction form
    1,572,155.13/2,169,518.06 = 874,432.26/x
  3. Step 3: Cross multiply
    1,572,155.13x = 2,169,518.06 × 874,432.26
  4. Step 4: Simplify right side
    1,572,155.13x = 1,897,096,582,502.70
  5. Step 5: Solve for x
    x = 1,897,096,582,502.70/1,572,155.13
  6. Step 6: Final answer
    x = 1,206,685.36

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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.