Home / 790,813.40-1,186,220.10-754,071.80

Finding the Fourth Proportional to 790,813.40, 1,186,220.10 and 754,071.80

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Solution

The fourth proportional to 790,813.40, 1,186,220.10 and 754,071.80 is: 1,131,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,813.40 : 1,186,220.10 = 754,071.80 : x
  2. Step 2: Convert to fraction form
    790,813.40/1,186,220.10 = 754,071.80/x
  3. Step 3: Cross multiply
    790,813.40x = 1,186,220.10 × 754,071.80
  4. Step 4: Simplify right side
    790,813.40x = 894,495,126,003.18
  5. Step 5: Solve for x
    x = 894,495,126,003.18/790,813.40
  6. Step 6: Final answer
    x = 1,131,107.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.