Home / 1,908,476.40-2,862,712.80-488,530.20

Finding the Fourth Proportional to 1,908,476.40, 2,862,712.80 and 488,530.20

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Solution

The fourth proportional to 1,908,476.40, 2,862,712.80 and 488,530.20 is: 732,794.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,476.40 : 2,862,712.80 = 488,530.20 : x
  2. Step 2: Convert to fraction form
    1,908,476.40/2,862,712.80 = 488,530.20/x
  3. Step 3: Cross multiply
    1,908,476.40x = 2,862,712.80 × 488,530.20
  4. Step 4: Simplify right side
    1,908,476.40x = 1,398,521,656,726.56
  5. Step 5: Solve for x
    x = 1,398,521,656,726.56/1,908,476.40
  6. Step 6: Final answer
    x = 732,794.84

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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.