Home / 1,272,621.31-1,908,932.40-374,063.20

Finding the Fourth Proportional to 1,272,621.31, 1,908,932.40 and 374,063.20

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Solution

The fourth proportional to 1,272,621.31, 1,908,932.40 and 374,063.20 is: 561,094.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,621.31 : 1,908,932.40 = 374,063.20 : x
  2. Step 2: Convert to fraction form
    1,272,621.31/1,908,932.40 = 374,063.20/x
  3. Step 3: Cross multiply
    1,272,621.31x = 1,908,932.40 × 374,063.20
  4. Step 4: Simplify right side
    1,272,621.31x = 714,061,357,355.35
  5. Step 5: Solve for x
    x = 714,061,357,355.35/1,272,621.31
  6. Step 6: Final answer
    x = 561,094.93

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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.