Home / 1,215,088.55-1,676,836.27-671,213.07

Finding the Fourth Proportional to 1,215,088.55, 1,676,836.27 and 671,213.07

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Solution

The fourth proportional to 1,215,088.55, 1,676,836.27 and 671,213.07 is: 926,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,088.55 : 1,676,836.27 = 671,213.07 : x
  2. Step 2: Convert to fraction form
    1,215,088.55/1,676,836.27 = 671,213.07/x
  3. Step 3: Cross multiply
    1,215,088.55x = 1,676,836.27 × 671,213.07
  4. Step 4: Simplify right side
    1,215,088.55x = 1,125,514,426,544.17
  5. Step 5: Solve for x
    x = 1,125,514,426,544.17/1,215,088.55
  6. Step 6: Final answer
    x = 926,281.81

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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.