Home / 1,359,413.84-2,039,120.65-647,282.90

Finding the Fourth Proportional to 1,359,413.84, 2,039,120.65 and 647,282.90

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Solution

The fourth proportional to 1,359,413.84, 2,039,120.65 and 647,282.90 is: 970,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,413.84 : 2,039,120.65 = 647,282.90 : x
  2. Step 2: Convert to fraction form
    1,359,413.84/2,039,120.65 = 647,282.90/x
  3. Step 3: Cross multiply
    1,359,413.84x = 2,039,120.65 × 647,282.90
  4. Step 4: Simplify right side
    1,359,413.84x = 1,319,887,924,545.47
  5. Step 5: Solve for x
    x = 1,319,887,924,545.47/1,359,413.84
  6. Step 6: Final answer
    x = 970,924.30

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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.