Home / 1,220,704-1,684,591.80-676,862.74

Finding the Fourth Proportional to 1,220,704, 1,684,591.80 and 676,862.74

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Solution

The fourth proportional to 1,220,704, 1,684,591.80 and 676,862.74 is: 934,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,704 : 1,684,591.80 = 676,862.74 : x
  2. Step 2: Convert to fraction form
    1,220,704/1,684,591.80 = 676,862.74/x
  3. Step 3: Cross multiply
    1,220,704x = 1,684,591.80 × 676,862.74
  4. Step 4: Simplify right side
    1,220,704x = 1,140,237,421,529.53
  5. Step 5: Solve for x
    x = 1,140,237,421,529.53/1,220,704
  6. Step 6: Final answer
    x = 934,081.83

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1.5x scale

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.