Home / 1,631,036.20-2,446,943.10-788,895.40

Finding the Fourth Proportional to 1,631,036.20, 2,446,943.10 and 788,895.40

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Solution

The fourth proportional to 1,631,036.20, 2,446,943.10 and 788,895.40 is: 1,183,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,036.20 : 2,446,943.10 = 788,895.40 : x
  2. Step 2: Convert to fraction form
    1,631,036.20/2,446,943.10 = 788,895.40/x
  3. Step 3: Cross multiply
    1,631,036.20x = 2,446,943.10 × 788,895.40
  4. Step 4: Simplify right side
    1,631,036.20x = 1,930,382,155,651.74
  5. Step 5: Solve for x
    x = 1,930,382,155,651.74/1,631,036.20
  6. Step 6: Final answer
    x = 1,183,531.15

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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.