Home / 1,610,728.40-2,417,647.80-980,872.40

Finding the Fourth Proportional to 1,610,728.40, 2,417,647.80 and 980,872.40

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Solution

The fourth proportional to 1,610,728.40, 2,417,647.80 and 980,872.40 is: 1,472,255.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,728.40 : 2,417,647.80 = 980,872.40 : x
  2. Step 2: Convert to fraction form
    1,610,728.40/2,417,647.80 = 980,872.40/x
  3. Step 3: Cross multiply
    1,610,728.40x = 2,417,647.80 × 980,872.40
  4. Step 4: Simplify right side
    1,610,728.40x = 2,371,403,999,940.72
  5. Step 5: Solve for x
    x = 2,371,403,999,940.72/1,610,728.40
  6. Step 6: Final answer
    x = 1,472,255.66

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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.