Home / 1,434,725.55-1,979,897.13-790,205.76

Finding the Fourth Proportional to 1,434,725.55, 1,979,897.13 and 790,205.76

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Solution

The fourth proportional to 1,434,725.55, 1,979,897.13 and 790,205.76 is: 1,090,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,725.55 : 1,979,897.13 = 790,205.76 : x
  2. Step 2: Convert to fraction form
    1,434,725.55/1,979,897.13 = 790,205.76/x
  3. Step 3: Cross multiply
    1,434,725.55x = 1,979,897.13 × 790,205.76
  4. Step 4: Simplify right side
    1,434,725.55x = 1,564,526,116,333.47
  5. Step 5: Solve for x
    x = 1,564,526,116,333.47/1,434,725.55
  6. Step 6: Final answer
    x = 1,090,470.66

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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.