Home / 926,431.20-1,387,573.20-760,543.20

Finding the Fourth Proportional to 926,431.20, 1,387,573.20 and 760,543.20

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Solution

The fourth proportional to 926,431.20, 1,387,573.20 and 760,543.20 is: 1,139,112.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,431.20 : 1,387,573.20 = 760,543.20 : x
  2. Step 2: Convert to fraction form
    926,431.20/1,387,573.20 = 760,543.20/x
  3. Step 3: Cross multiply
    926,431.20x = 1,387,573.20 × 760,543.20
  4. Step 4: Simplify right side
    926,431.20x = 1,055,309,361,762.24
  5. Step 5: Solve for x
    x = 1,055,309,361,762.24/926,431.20
  6. Step 6: Final answer
    x = 1,139,112.50

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1.5x scale

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.