Home / 1,240,727.36-1,712,002.40-775,526.18

Finding the Fourth Proportional to 1,240,727.36, 1,712,002.40 and 775,526.18

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Solution

The fourth proportional to 1,240,727.36, 1,712,002.40 and 775,526.18 is: 1,070,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,727.36 : 1,712,002.40 = 775,526.18 : x
  2. Step 2: Convert to fraction form
    1,240,727.36/1,712,002.40 = 775,526.18/x
  3. Step 3: Cross multiply
    1,240,727.36x = 1,712,002.40 × 775,526.18
  4. Step 4: Simplify right side
    1,240,727.36x = 1,327,702,681,523.43
  5. Step 5: Solve for x
    x = 1,327,702,681,523.43/1,240,727.36
  6. Step 6: Final answer
    x = 1,070,100.27

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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.