Home / 1,660,295.20-2,490,442.80-988,448.80

Finding the Fourth Proportional to 1,660,295.20, 2,490,442.80 and 988,448.80

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Solution

The fourth proportional to 1,660,295.20, 2,490,442.80 and 988,448.80 is: 1,482,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,295.20 : 2,490,442.80 = 988,448.80 : x
  2. Step 2: Convert to fraction form
    1,660,295.20/2,490,442.80 = 988,448.80/x
  3. Step 3: Cross multiply
    1,660,295.20x = 2,490,442.80 × 988,448.80
  4. Step 4: Simplify right side
    1,660,295.20x = 2,461,675,197,128.64
  5. Step 5: Solve for x
    x = 2,461,675,197,128.64/1,660,295.20
  6. Step 6: Final answer
    x = 1,482,673.20

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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.