Home / 1,340,294.40-2,010,211.20-498,412.80

Finding the Fourth Proportional to 1,340,294.40, 2,010,211.20 and 498,412.80

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Solution

The fourth proportional to 1,340,294.40, 2,010,211.20 and 498,412.80 is: 747,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,294.40 : 2,010,211.20 = 498,412.80 : x
  2. Step 2: Convert to fraction form
    1,340,294.40/2,010,211.20 = 498,412.80/x
  3. Step 3: Cross multiply
    1,340,294.40x = 2,010,211.20 × 498,412.80
  4. Step 4: Simplify right side
    1,340,294.40x = 1,001,914,992,783.36
  5. Step 5: Solve for x
    x = 1,001,914,992,783.36/1,340,294.40
  6. Step 6: Final answer
    x = 747,533.52

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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.