Home / 1,813,503.68-2,502,635.05-997,689.86

Finding the Fourth Proportional to 1,813,503.68, 2,502,635.05 and 997,689.86

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Solution

The fourth proportional to 1,813,503.68, 2,502,635.05 and 997,689.86 is: 1,376,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,503.68 : 2,502,635.05 = 997,689.86 : x
  2. Step 2: Convert to fraction form
    1,813,503.68/2,502,635.05 = 997,689.86/x
  3. Step 3: Cross multiply
    1,813,503.68x = 2,502,635.05 × 997,689.86
  4. Step 4: Simplify right side
    1,813,503.68x = 2,496,853,605,172.41
  5. Step 5: Solve for x
    x = 2,496,853,605,172.41/1,813,503.68
  6. Step 6: Final answer
    x = 1,376,811.98

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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.