Home / 1,269,616.40-1,904,920.32-559,145.12

Finding the Fourth Proportional to 1,269,616.40, 1,904,920.32 and 559,145.12

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Solution

The fourth proportional to 1,269,616.40, 1,904,920.32 and 559,145.12 is: 838,936.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,616.40 : 1,904,920.32 = 559,145.12 : x
  2. Step 2: Convert to fraction form
    1,269,616.40/1,904,920.32 = 559,145.12/x
  3. Step 3: Cross multiply
    1,269,616.40x = 1,904,920.32 × 559,145.12
  4. Step 4: Simplify right side
    1,269,616.40x = 1,065,126,900,916.84
  5. Step 5: Solve for x
    x = 1,065,126,900,916.84/1,269,616.40
  6. Step 6: Final answer
    x = 838,936.00

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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.