Home / 1,712,342.80-2,364,621.48-1,281,875.60

Finding the Fourth Proportional to 1,712,342.80, 2,364,621.48 and 1,281,875.60

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Solution

The fourth proportional to 1,712,342.80, 2,364,621.48 and 1,281,875.60 is: 1,770,177.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,342.80 : 2,364,621.48 = 1,281,875.60 : x
  2. Step 2: Convert to fraction form
    1,712,342.80/2,364,621.48 = 1,281,875.60/x
  3. Step 3: Cross multiply
    1,712,342.80x = 2,364,621.48 × 1,281,875.60
  4. Step 4: Simplify right side
    1,712,342.80x = 3,031,150,578,447.89
  5. Step 5: Solve for x
    x = 3,031,150,578,447.89/1,712,342.80
  6. Step 6: Final answer
    x = 1,770,177.43

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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.