Home / 1,805,947.64-2,492,309.54-1,071,336.83

Finding the Fourth Proportional to 1,805,947.64, 2,492,309.54 and 1,071,336.83

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Solution

The fourth proportional to 1,805,947.64, 2,492,309.54 and 1,071,336.83 is: 1,478,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,947.64 : 2,492,309.54 = 1,071,336.83 : x
  2. Step 2: Convert to fraction form
    1,805,947.64/2,492,309.54 = 1,071,336.83/x
  3. Step 3: Cross multiply
    1,805,947.64x = 2,492,309.54 × 1,071,336.83
  4. Step 4: Simplify right side
    1,805,947.64x = 2,670,102,984,144.13
  5. Step 5: Solve for x
    x = 2,670,102,984,144.13/1,805,947.64
  6. Step 6: Final answer
    x = 1,478,505.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.