Home / 1,303,643.10-1,955,464.65-1,256,403.90

Finding the Fourth Proportional to 1,303,643.10, 1,955,464.65 and 1,256,403.90

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Solution

The fourth proportional to 1,303,643.10, 1,955,464.65 and 1,256,403.90 is: 1,884,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,643.10 : 1,955,464.65 = 1,256,403.90 : x
  2. Step 2: Convert to fraction form
    1,303,643.10/1,955,464.65 = 1,256,403.90/x
  3. Step 3: Cross multiply
    1,303,643.10x = 1,955,464.65 × 1,256,403.90
  4. Step 4: Simplify right side
    1,303,643.10x = 2,456,853,412,572.13
  5. Step 5: Solve for x
    x = 2,456,853,412,572.13/1,303,643.10
  6. Step 6: Final answer
    x = 1,884,605.85

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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.