Home / 1,129,397.80-1,694,096.70-750,828.10

Finding the Fourth Proportional to 1,129,397.80, 1,694,096.70 and 750,828.10

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Solution

The fourth proportional to 1,129,397.80, 1,694,096.70 and 750,828.10 is: 1,126,242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,397.80 : 1,694,096.70 = 750,828.10 : x
  2. Step 2: Convert to fraction form
    1,129,397.80/1,694,096.70 = 750,828.10/x
  3. Step 3: Cross multiply
    1,129,397.80x = 1,694,096.70 × 750,828.10
  4. Step 4: Simplify right side
    1,129,397.80x = 1,271,975,406,477.27
  5. Step 5: Solve for x
    x = 1,271,975,406,477.27/1,129,397.80
  6. Step 6: Final answer
    x = 1,126,242.15

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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.