Home / 1,159,897.90-1,741,119.56-921,543.90

Finding the Fourth Proportional to 1,159,897.90, 1,741,119.56 and 921,543.90

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Solution

The fourth proportional to 1,159,897.90, 1,741,119.56 and 921,543.90 is: 1,383,327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,897.90 : 1,741,119.56 = 921,543.90 : x
  2. Step 2: Convert to fraction form
    1,159,897.90/1,741,119.56 = 921,543.90/x
  3. Step 3: Cross multiply
    1,159,897.90x = 1,741,119.56 × 921,543.90
  4. Step 4: Simplify right side
    1,159,897.90x = 1,604,518,109,688.68
  5. Step 5: Solve for x
    x = 1,604,518,109,688.68/1,159,897.90
  6. Step 6: Final answer
    x = 1,383,327.02

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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.