Home / 1,368,261.02-2,052,612.02-421,631.30

Finding the Fourth Proportional to 1,368,261.02, 2,052,612.02 and 421,631.30

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Solution

The fourth proportional to 1,368,261.02, 2,052,612.02 and 421,631.30 is: 632,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,261.02 : 2,052,612.02 = 421,631.30 : x
  2. Step 2: Convert to fraction form
    1,368,261.02/2,052,612.02 = 421,631.30/x
  3. Step 3: Cross multiply
    1,368,261.02x = 2,052,612.02 × 421,631.30
  4. Step 4: Simplify right side
    1,368,261.02x = 865,445,480,573.83
  5. Step 5: Solve for x
    x = 865,445,480,573.83/1,368,261.02
  6. Step 6: Final answer
    x = 632,514.90

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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.