Home / 1,643,880.45-2,466,209.48-521,949.45

Finding the Fourth Proportional to 1,643,880.45, 2,466,209.48 and 521,949.45

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Solution

The fourth proportional to 1,643,880.45, 2,466,209.48 and 521,949.45 is: 783,047.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,880.45 : 2,466,209.48 = 521,949.45 : x
  2. Step 2: Convert to fraction form
    1,643,880.45/2,466,209.48 = 521,949.45/x
  3. Step 3: Cross multiply
    1,643,880.45x = 2,466,209.48 × 521,949.45
  4. Step 4: Simplify right side
    1,643,880.45x = 1,287,236,679,061.04
  5. Step 5: Solve for x
    x = 1,287,236,679,061.04/1,643,880.45
  6. Step 6: Final answer
    x = 783,047.62

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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.