Home / 1,144,630.81-1,714,657.14-688,971.79

Finding the Fourth Proportional to 1,144,630.81, 1,714,657.14 and 688,971.79

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Solution

The fourth proportional to 1,144,630.81, 1,714,657.14 and 688,971.79 is: 1,032,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,630.81 : 1,714,657.14 = 688,971.79 : x
  2. Step 2: Convert to fraction form
    1,144,630.81/1,714,657.14 = 688,971.79/x
  3. Step 3: Cross multiply
    1,144,630.81x = 1,714,657.14 × 688,971.79
  4. Step 4: Simplify right side
    1,144,630.81x = 1,181,350,398,982.08
  5. Step 5: Solve for x
    x = 1,181,350,398,982.08/1,144,630.81
  6. Step 6: Final answer
    x = 1,032,079.85

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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.