Home / 1,127,525.28-1,687,970.16-752,618.40

Finding the Fourth Proportional to 1,127,525.28, 1,687,970.16 and 752,618.40

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Solution

The fourth proportional to 1,127,525.28, 1,687,970.16 and 752,618.40 is: 1,126,713.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,525.28 : 1,687,970.16 = 752,618.40 : x
  2. Step 2: Convert to fraction form
    1,127,525.28/1,687,970.16 = 752,618.40/x
  3. Step 3: Cross multiply
    1,127,525.28x = 1,687,970.16 × 752,618.40
  4. Step 4: Simplify right side
    1,127,525.28x = 1,270,397,401,066.94
  5. Step 5: Solve for x
    x = 1,270,397,401,066.94/1,127,525.28
  6. Step 6: Final answer
    x = 1,126,713.01

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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.