Home / 1,248,547.20-1,872,820.80-449,854.80

Finding the Fourth Proportional to 1,248,547.20, 1,872,820.80 and 449,854.80

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Solution

The fourth proportional to 1,248,547.20, 1,872,820.80 and 449,854.80 is: 674,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,547.20 : 1,872,820.80 = 449,854.80 : x
  2. Step 2: Convert to fraction form
    1,248,547.20/1,872,820.80 = 449,854.80/x
  3. Step 3: Cross multiply
    1,248,547.20x = 1,872,820.80 × 449,854.80
  4. Step 4: Simplify right side
    1,248,547.20x = 842,497,426,419.84
  5. Step 5: Solve for x
    x = 842,497,426,419.84/1,248,547.20
  6. Step 6: Final answer
    x = 674,782.20

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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.