Home / 1,908,438.40-2,862,655.76-488,492.20

Finding the Fourth Proportional to 1,908,438.40, 2,862,655.76 and 488,492.20

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Solution

The fourth proportional to 1,908,438.40, 2,862,655.76 and 488,492.20 is: 732,737.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,438.40 : 2,862,655.76 = 488,492.20 : x
  2. Step 2: Convert to fraction form
    1,908,438.40/2,862,655.76 = 488,492.20/x
  3. Step 3: Cross multiply
    1,908,438.40x = 2,862,655.76 × 488,492.20
  4. Step 4: Simplify right side
    1,908,438.40x = 1,398,385,010,045.07
  5. Step 5: Solve for x
    x = 1,398,385,010,045.07/1,908,438.40
  6. Step 6: Final answer
    x = 732,737.83

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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.