Home / 1,215,360.59-1,677,264.89-671,484.74

Finding the Fourth Proportional to 1,215,360.59, 1,677,264.89 and 671,484.74

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Solution

The fourth proportional to 1,215,360.59, 1,677,264.89 and 671,484.74 is: 926,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,360.59 : 1,677,264.89 = 671,484.74 : x
  2. Step 2: Convert to fraction form
    1,215,360.59/1,677,264.89 = 671,484.74/x
  3. Step 3: Cross multiply
    1,215,360.59x = 1,677,264.89 × 671,484.74
  4. Step 4: Simplify right side
    1,215,360.59x = 1,126,257,766,829.03
  5. Step 5: Solve for x
    x = 1,126,257,766,829.03/1,215,360.59
  6. Step 6: Final answer
    x = 926,686.11

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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.