Home / 1,551,419.92-2,141,041.98-907,217.20

Finding the Fourth Proportional to 1,551,419.92, 2,141,041.98 and 907,217.20

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Solution

The fourth proportional to 1,551,419.92, 2,141,041.98 and 907,217.20 is: 1,252,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,419.92 : 2,141,041.98 = 907,217.20 : x
  2. Step 2: Convert to fraction form
    1,551,419.92/2,141,041.98 = 907,217.20/x
  3. Step 3: Cross multiply
    1,551,419.92x = 2,141,041.98 × 907,217.20
  4. Step 4: Simplify right side
    1,551,419.92x = 1,942,390,110,178.06
  5. Step 5: Solve for x
    x = 1,942,390,110,178.06/1,551,419.92
  6. Step 6: Final answer
    x = 1,252,007.97

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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.