Home / 1,146,855-1,720,490.13-472,561.32

Finding the Fourth Proportional to 1,146,855, 1,720,490.13 and 472,561.32

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Solution

The fourth proportional to 1,146,855, 1,720,490.13 and 472,561.32 is: 708,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,855 : 1,720,490.13 = 472,561.32 : x
  2. Step 2: Convert to fraction form
    1,146,855/1,720,490.13 = 472,561.32/x
  3. Step 3: Cross multiply
    1,146,855x = 1,720,490.13 × 472,561.32
  4. Step 4: Simplify right side
    1,146,855x = 813,037,086,879.77
  5. Step 5: Solve for x
    x = 813,037,086,879.77/1,146,855
  6. Step 6: Final answer
    x = 708,927.53

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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.