Home / 1,280,520.48-1,767,070.80-707,548.80

Finding the Fourth Proportional to 1,280,520.48, 1,767,070.80 and 707,548.80

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Solution

The fourth proportional to 1,280,520.48, 1,767,070.80 and 707,548.80 is: 976,391.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,520.48 : 1,767,070.80 = 707,548.80 : x
  2. Step 2: Convert to fraction form
    1,280,520.48/1,767,070.80 = 707,548.80/x
  3. Step 3: Cross multiply
    1,280,520.48x = 1,767,070.80 × 707,548.80
  4. Step 4: Simplify right side
    1,280,520.48x = 1,250,288,824,055.04
  5. Step 5: Solve for x
    x = 1,250,288,824,055.04/1,280,520.48
  6. Step 6: Final answer
    x = 976,391.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.