Home / 1,241,031.25-1,712,130.64-717,645.14

Finding the Fourth Proportional to 1,241,031.25, 1,712,130.64 and 717,645.14

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Solution

The fourth proportional to 1,241,031.25, 1,712,130.64 and 717,645.14 is: 990,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,031.25 : 1,712,130.64 = 717,645.14 : x
  2. Step 2: Convert to fraction form
    1,241,031.25/1,712,130.64 = 717,645.14/x
  3. Step 3: Cross multiply
    1,241,031.25x = 1,712,130.64 × 717,645.14
  4. Step 4: Simplify right side
    1,241,031.25x = 1,228,702,229,252.86
  5. Step 5: Solve for x
    x = 1,228,702,229,252.86/1,241,031.25
  6. Step 6: Final answer
    x = 990,065.51

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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.