Home / 1,386,653.95-2,079,981-375,775.88

Finding the Fourth Proportional to 1,386,653.95, 2,079,981 and 375,775.88

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Solution

The fourth proportional to 1,386,653.95, 2,079,981 and 375,775.88 is: 563,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,653.95 : 2,079,981 = 375,775.88 : x
  2. Step 2: Convert to fraction form
    1,386,653.95/2,079,981 = 375,775.88/x
  3. Step 3: Cross multiply
    1,386,653.95x = 2,079,981 × 375,775.88
  4. Step 4: Simplify right side
    1,386,653.95x = 781,606,680,258.38
  5. Step 5: Solve for x
    x = 781,606,680,258.38/1,386,653.95
  6. Step 6: Final answer
    x = 563,663.83

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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.