Home / 1,108,697.80-1,663,824.30-710,307.40

Finding the Fourth Proportional to 1,108,697.80, 1,663,824.30 and 710,307.40

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Solution

The fourth proportional to 1,108,697.80, 1,663,824.30 and 710,307.40 is: 1,065,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,697.80 : 1,663,824.30 = 710,307.40 : x
  2. Step 2: Convert to fraction form
    1,108,697.80/1,663,824.30 = 710,307.40/x
  3. Step 3: Cross multiply
    1,108,697.80x = 1,663,824.30 × 710,307.40
  4. Step 4: Simplify right side
    1,108,697.80x = 1,181,826,712,589.82
  5. Step 5: Solve for x
    x = 1,181,826,712,589.82/1,108,697.80
  6. Step 6: Final answer
    x = 1,065,959.28

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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.