Home / 1,645,364.40-2,468,046.60-1,012,225.20

Finding the Fourth Proportional to 1,645,364.40, 2,468,046.60 and 1,012,225.20

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Solution

The fourth proportional to 1,645,364.40, 2,468,046.60 and 1,012,225.20 is: 1,518,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,364.40 : 2,468,046.60 = 1,012,225.20 : x
  2. Step 2: Convert to fraction form
    1,645,364.40/2,468,046.60 = 1,012,225.20/x
  3. Step 3: Cross multiply
    1,645,364.40x = 2,468,046.60 × 1,012,225.20
  4. Step 4: Simplify right side
    1,645,364.40x = 2,498,218,963,294.32
  5. Step 5: Solve for x
    x = 2,498,218,963,294.32/1,645,364.40
  6. Step 6: Final answer
    x = 1,518,337.80

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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.