Home / 1,146,940.40-1,720,617.45-472,646.39

Finding the Fourth Proportional to 1,146,940.40, 1,720,617.45 and 472,646.39

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Solution

The fourth proportional to 1,146,940.40, 1,720,617.45 and 472,646.39 is: 709,054.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,940.40 : 1,720,617.45 = 472,646.39 : x
  2. Step 2: Convert to fraction form
    1,146,940.40/1,720,617.45 = 472,646.39/x
  3. Step 3: Cross multiply
    1,146,940.40x = 1,720,617.45 × 472,646.39
  4. Step 4: Simplify right side
    1,146,940.40x = 813,243,617,710.42
  5. Step 5: Solve for x
    x = 813,243,617,710.42/1,146,940.40
  6. Step 6: Final answer
    x = 709,054.82

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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.