Home / 1,021,330.02-1,531,995.02-311,351.91

Finding the Fourth Proportional to 1,021,330.02, 1,531,995.02 and 311,351.91

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Solution

The fourth proportional to 1,021,330.02, 1,531,995.02 and 311,351.91 is: 467,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,330.02 : 1,531,995.02 = 311,351.91 : x
  2. Step 2: Convert to fraction form
    1,021,330.02/1,531,995.02 = 311,351.91/x
  3. Step 3: Cross multiply
    1,021,330.02x = 1,531,995.02 × 311,351.91
  4. Step 4: Simplify right side
    1,021,330.02x = 476,989,574,030.73
  5. Step 5: Solve for x
    x = 476,989,574,030.73/1,021,330.02
  6. Step 6: Final answer
    x = 467,027.86

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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.