Home / 749,701.80-1,124,811.90-723,781.80

Finding the Fourth Proportional to 749,701.80, 1,124,811.90 and 723,781.80

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Solution

The fourth proportional to 749,701.80, 1,124,811.90 and 723,781.80 is: 1,085,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,701.80 : 1,124,811.90 = 723,781.80 : x
  2. Step 2: Convert to fraction form
    749,701.80/1,124,811.90 = 723,781.80/x
  3. Step 3: Cross multiply
    749,701.80x = 1,124,811.90 × 723,781.80
  4. Step 4: Simplify right side
    749,701.80x = 814,118,381,643.42
  5. Step 5: Solve for x
    x = 814,118,381,643.42/749,701.80
  6. Step 6: Final answer
    x = 1,085,922.94

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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.