Home / 1,432,303.88-1,976,592.56-778,936.04

Finding the Fourth Proportional to 1,432,303.88, 1,976,592.56 and 778,936.04

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Solution

The fourth proportional to 1,432,303.88, 1,976,592.56 and 778,936.04 is: 1,074,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,303.88 : 1,976,592.56 = 778,936.04 : x
  2. Step 2: Convert to fraction form
    1,432,303.88/1,976,592.56 = 778,936.04/x
  3. Step 3: Cross multiply
    1,432,303.88x = 1,976,592.56 × 778,936.04
  4. Step 4: Simplify right side
    1,432,303.88x = 1,539,639,181,379.86
  5. Step 5: Solve for x
    x = 1,539,639,181,379.86/1,432,303.88
  6. Step 6: Final answer
    x = 1,074,938.92

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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.