Home / 1,291,154.88-1,781,723.06-710,367.06

Finding the Fourth Proportional to 1,291,154.88, 1,781,723.06 and 710,367.06

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Solution

The fourth proportional to 1,291,154.88, 1,781,723.06 and 710,367.06 is: 980,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,154.88 : 1,781,723.06 = 710,367.06 : x
  2. Step 2: Convert to fraction form
    1,291,154.88/1,781,723.06 = 710,367.06/x
  3. Step 3: Cross multiply
    1,291,154.88x = 1,781,723.06 × 710,367.06
  4. Step 4: Simplify right side
    1,291,154.88x = 1,265,677,371,866.40
  5. Step 5: Solve for x
    x = 1,265,677,371,866.40/1,291,154.88
  6. Step 6: Final answer
    x = 980,267.66

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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.