Home / 1,299,165.48-1,948,660.74-457,607.88

Finding the Fourth Proportional to 1,299,165.48, 1,948,660.74 and 457,607.88

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Solution

The fourth proportional to 1,299,165.48, 1,948,660.74 and 457,607.88 is: 686,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,165.48 : 1,948,660.74 = 457,607.88 : x
  2. Step 2: Convert to fraction form
    1,299,165.48/1,948,660.74 = 457,607.88/x
  3. Step 3: Cross multiply
    1,299,165.48x = 1,948,660.74 × 457,607.88
  4. Step 4: Simplify right side
    1,299,165.48x = 891,722,510,070.63
  5. Step 5: Solve for x
    x = 891,722,510,070.63/1,299,165.48
  6. Step 6: Final answer
    x = 686,381.01

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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.