Home / 1,551,097.36-2,140,252.28-862,678.72

Finding the Fourth Proportional to 1,551,097.36, 2,140,252.28 and 862,678.72

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Solution

The fourth proportional to 1,551,097.36, 2,140,252.28 and 862,678.72 is: 1,190,350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,097.36 : 2,140,252.28 = 862,678.72 : x
  2. Step 2: Convert to fraction form
    1,551,097.36/2,140,252.28 = 862,678.72/x
  3. Step 3: Cross multiply
    1,551,097.36x = 2,140,252.28 × 862,678.72
  4. Step 4: Simplify right side
    1,551,097.36x = 1,846,350,097,387.48
  5. Step 5: Solve for x
    x = 1,846,350,097,387.48/1,551,097.36
  6. Step 6: Final answer
    x = 1,190,350.87

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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.