Home / 1,551,173.76-2,141,199.36-906,800.40

Finding the Fourth Proportional to 1,551,173.76, 2,141,199.36 and 906,800.40

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Solution

The fourth proportional to 1,551,173.76, 2,141,199.36 and 906,800.40 is: 1,251,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,173.76 : 2,141,199.36 = 906,800.40 : x
  2. Step 2: Convert to fraction form
    1,551,173.76/2,141,199.36 = 906,800.40/x
  3. Step 3: Cross multiply
    1,551,173.76x = 2,141,199.36 × 906,800.40
  4. Step 4: Simplify right side
    1,551,173.76x = 1,941,640,436,127.74
  5. Step 5: Solve for x
    x = 1,941,640,436,127.74/1,551,173.76
  6. Step 6: Final answer
    x = 1,251,723.36

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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.