Home / 961,657.20-1,442,485.80-917,370.45

Finding the Fourth Proportional to 961,657.20, 1,442,485.80 and 917,370.45

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Solution

The fourth proportional to 961,657.20, 1,442,485.80 and 917,370.45 is: 1,376,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,657.20 : 1,442,485.80 = 917,370.45 : x
  2. Step 2: Convert to fraction form
    961,657.20/1,442,485.80 = 917,370.45/x
  3. Step 3: Cross multiply
    961,657.20x = 1,442,485.80 × 917,370.45
  4. Step 4: Simplify right side
    961,657.20x = 1,323,293,847,464.61
  5. Step 5: Solve for x
    x = 1,323,293,847,464.61/961,657.20
  6. Step 6: Final answer
    x = 1,376,055.68

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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.