Home / 1,380,116.68-2,070,257.71-433,487.40

Finding the Fourth Proportional to 1,380,116.68, 2,070,257.71 and 433,487.40

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Solution

The fourth proportional to 1,380,116.68, 2,070,257.71 and 433,487.40 is: 650,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,116.68 : 2,070,257.71 = 433,487.40 : x
  2. Step 2: Convert to fraction form
    1,380,116.68/2,070,257.71 = 433,487.40/x
  3. Step 3: Cross multiply
    1,380,116.68x = 2,070,257.71 × 433,487.40
  4. Step 4: Simplify right side
    1,380,116.68x = 897,430,625,222.64
  5. Step 5: Solve for x
    x = 897,430,625,222.64/1,380,116.68
  6. Step 6: Final answer
    x = 650,257.07

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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.