Home / 1,215,167.55-1,676,925.95-671,303.31

Finding the Fourth Proportional to 1,215,167.55, 1,676,925.95 and 671,303.31

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Solution

The fourth proportional to 1,215,167.55, 1,676,925.95 and 671,303.31 is: 926,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,167.55 : 1,676,925.95 = 671,303.31 : x
  2. Step 2: Convert to fraction form
    1,215,167.55/1,676,925.95 = 671,303.31/x
  3. Step 3: Cross multiply
    1,215,167.55x = 1,676,925.95 × 671,303.31
  4. Step 4: Simplify right side
    1,215,167.55x = 1,125,725,940,859.89
  5. Step 5: Solve for x
    x = 1,125,725,940,859.89/1,215,167.55
  6. Step 6: Final answer
    x = 926,395.66

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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.