Home / 1,005,266.40-1,507,753.80-295,220.40

Finding the Fourth Proportional to 1,005,266.40, 1,507,753.80 and 295,220.40

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Solution

The fourth proportional to 1,005,266.40, 1,507,753.80 and 295,220.40 is: 442,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,266.40 : 1,507,753.80 = 295,220.40 : x
  2. Step 2: Convert to fraction form
    1,005,266.40/1,507,753.80 = 295,220.40/x
  3. Step 3: Cross multiply
    1,005,266.40x = 1,507,753.80 × 295,220.40
  4. Step 4: Simplify right side
    1,005,266.40x = 445,119,679,937.52
  5. Step 5: Solve for x
    x = 445,119,679,937.52/1,005,266.40
  6. Step 6: Final answer
    x = 442,787.78

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1.5x scale

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.