Home / 853,307.40-1,278,117.90-705,851.40

Finding the Fourth Proportional to 853,307.40, 1,278,117.90 and 705,851.40

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Solution

The fourth proportional to 853,307.40, 1,278,117.90 and 705,851.40 is: 1,057,252.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,307.40 : 1,278,117.90 = 705,851.40 : x
  2. Step 2: Convert to fraction form
    853,307.40/1,278,117.90 = 705,851.40/x
  3. Step 3: Cross multiply
    853,307.40x = 1,278,117.90 × 705,851.40
  4. Step 4: Simplify right side
    853,307.40x = 902,161,309,080.06
  5. Step 5: Solve for x
    x = 902,161,309,080.06/853,307.40
  6. Step 6: Final answer
    x = 1,057,252.41

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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.