Home / 1,226,821.60-1,840,232.40-385,458.40

Finding the Fourth Proportional to 1,226,821.60, 1,840,232.40 and 385,458.40

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Solution

The fourth proportional to 1,226,821.60, 1,840,232.40 and 385,458.40 is: 578,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,821.60 : 1,840,232.40 = 385,458.40 : x
  2. Step 2: Convert to fraction form
    1,226,821.60/1,840,232.40 = 385,458.40/x
  3. Step 3: Cross multiply
    1,226,821.60x = 1,840,232.40 × 385,458.40
  4. Step 4: Simplify right side
    1,226,821.60x = 709,333,036,532.16
  5. Step 5: Solve for x
    x = 709,333,036,532.16/1,226,821.60
  6. Step 6: Final answer
    x = 578,187.60

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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.