Home / 1,448,352.20-2,172,528.30-912,974.60

Finding the Fourth Proportional to 1,448,352.20, 2,172,528.30 and 912,974.60

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Solution

The fourth proportional to 1,448,352.20, 2,172,528.30 and 912,974.60 is: 1,369,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,352.20 : 2,172,528.30 = 912,974.60 : x
  2. Step 2: Convert to fraction form
    1,448,352.20/2,172,528.30 = 912,974.60/x
  3. Step 3: Cross multiply
    1,448,352.20x = 2,172,528.30 × 912,974.60
  4. Step 4: Simplify right side
    1,448,352.20x = 1,983,463,155,681.18
  5. Step 5: Solve for x
    x = 1,983,463,155,681.18/1,448,352.20
  6. Step 6: Final answer
    x = 1,369,461.90

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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.