Home / 1,124,402.88-1,687,158.36-525,405.45

Finding the Fourth Proportional to 1,124,402.88, 1,687,158.36 and 525,405.45

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Solution

The fourth proportional to 1,124,402.88, 1,687,158.36 and 525,405.45 is: 788,367.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,402.88 : 1,687,158.36 = 525,405.45 : x
  2. Step 2: Convert to fraction form
    1,124,402.88/1,687,158.36 = 525,405.45/x
  3. Step 3: Cross multiply
    1,124,402.88x = 1,687,158.36 × 525,405.45
  4. Step 4: Simplify right side
    1,124,402.88x = 886,442,197,357.06
  5. Step 5: Solve for x
    x = 886,442,197,357.06/1,124,402.88
  6. Step 6: Final answer
    x = 788,367.06

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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.