Home / 1,107,810.30-1,661,715.45-910,980.30

Finding the Fourth Proportional to 1,107,810.30, 1,661,715.45 and 910,980.30

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Solution

The fourth proportional to 1,107,810.30, 1,661,715.45 and 910,980.30 is: 1,366,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,810.30 : 1,661,715.45 = 910,980.30 : x
  2. Step 2: Convert to fraction form
    1,107,810.30/1,661,715.45 = 910,980.30/x
  3. Step 3: Cross multiply
    1,107,810.30x = 1,661,715.45 × 910,980.30
  4. Step 4: Simplify right side
    1,107,810.30x = 1,513,790,039,155.64
  5. Step 5: Solve for x
    x = 1,513,790,039,155.64/1,107,810.30
  6. Step 6: Final answer
    x = 1,366,470.45

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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.