Home / 1,108,307.68-1,528,444.20-699,699.58

Finding the Fourth Proportional to 1,108,307.68, 1,528,444.20 and 699,699.58

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Solution

The fourth proportional to 1,108,307.68, 1,528,444.20 and 699,699.58 is: 964,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,307.68 : 1,528,444.20 = 699,699.58 : x
  2. Step 2: Convert to fraction form
    1,108,307.68/1,528,444.20 = 699,699.58/x
  3. Step 3: Cross multiply
    1,108,307.68x = 1,528,444.20 × 699,699.58
  4. Step 4: Simplify right side
    1,108,307.68x = 1,069,451,764,793.44
  5. Step 5: Solve for x
    x = 1,069,451,764,793.44/1,108,307.68
  6. Step 6: Final answer
    x = 964,941.22

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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.