Home / 1,256,552.10-1,884,828.15-778,255.20

Finding the Fourth Proportional to 1,256,552.10, 1,884,828.15 and 778,255.20

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Solution

The fourth proportional to 1,256,552.10, 1,884,828.15 and 778,255.20 is: 1,167,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,552.10 : 1,884,828.15 = 778,255.20 : x
  2. Step 2: Convert to fraction form
    1,256,552.10/1,884,828.15 = 778,255.20/x
  3. Step 3: Cross multiply
    1,256,552.10x = 1,884,828.15 × 778,255.20
  4. Step 4: Simplify right side
    1,256,552.10x = 1,466,877,308,843.88
  5. Step 5: Solve for x
    x = 1,466,877,308,843.88/1,256,552.10
  6. Step 6: Final answer
    x = 1,167,382.80

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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.