Home / 1,292,081.60-1,937,344.80-662,225.60

Finding the Fourth Proportional to 1,292,081.60, 1,937,344.80 and 662,225.60

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Solution

The fourth proportional to 1,292,081.60, 1,937,344.80 and 662,225.60 is: 992,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,081.60 : 1,937,344.80 = 662,225.60 : x
  2. Step 2: Convert to fraction form
    1,292,081.60/1,937,344.80 = 662,225.60/x
  3. Step 3: Cross multiply
    1,292,081.60x = 1,937,344.80 × 662,225.60
  4. Step 4: Simplify right side
    1,292,081.60x = 1,282,959,322,586.88
  5. Step 5: Solve for x
    x = 1,282,959,322,586.88/1,292,081.60
  6. Step 6: Final answer
    x = 992,939.86

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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.