Home / 1,140,752.80-1,713,663.60-954,128.80

Finding the Fourth Proportional to 1,140,752.80, 1,713,663.60 and 954,128.80

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Solution

The fourth proportional to 1,140,752.80, 1,713,663.60 and 954,128.80 is: 1,433,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,752.80 : 1,713,663.60 = 954,128.80 : x
  2. Step 2: Convert to fraction form
    1,140,752.80/1,713,663.60 = 954,128.80/x
  3. Step 3: Cross multiply
    1,140,752.80x = 1,713,663.60 × 954,128.80
  4. Step 4: Simplify right side
    1,140,752.80x = 1,635,055,794,271.68
  5. Step 5: Solve for x
    x = 1,635,055,794,271.68/1,140,752.80
  6. Step 6: Final answer
    x = 1,433,312.98

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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.