Home / 1,312,924.98-1,969,634.52-904,318.86

Finding the Fourth Proportional to 1,312,924.98, 1,969,634.52 and 904,318.86

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Solution

The fourth proportional to 1,312,924.98, 1,969,634.52 and 904,318.86 is: 1,356,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,924.98 : 1,969,634.52 = 904,318.86 : x
  2. Step 2: Convert to fraction form
    1,312,924.98/1,969,634.52 = 904,318.86/x
  3. Step 3: Cross multiply
    1,312,924.98x = 1,969,634.52 × 904,318.86
  4. Step 4: Simplify right side
    1,312,924.98x = 1,781,177,643,743.05
  5. Step 5: Solve for x
    x = 1,781,177,643,743.05/1,312,924.98
  6. Step 6: Final answer
    x = 1,356,648.45

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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.