Home / 1,455,139.32-2,007,370.08-972,351.96

Finding the Fourth Proportional to 1,455,139.32, 2,007,370.08 and 972,351.96

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Solution

The fourth proportional to 1,455,139.32, 2,007,370.08 and 972,351.96 is: 1,341,363.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,139.32 : 2,007,370.08 = 972,351.96 : x
  2. Step 2: Convert to fraction form
    1,455,139.32/2,007,370.08 = 972,351.96/x
  3. Step 3: Cross multiply
    1,455,139.32x = 2,007,370.08 × 972,351.96
  4. Step 4: Simplify right side
    1,455,139.32x = 1,951,870,231,733.36
  5. Step 5: Solve for x
    x = 1,951,870,231,733.36/1,455,139.32
  6. Step 6: Final answer
    x = 1,341,363.13

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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.