Home / 1,499,750.94-2,069,656.47-820,687.50

Finding the Fourth Proportional to 1,499,750.94, 2,069,656.47 and 820,687.50

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Solution

The fourth proportional to 1,499,750.94, 2,069,656.47 and 820,687.50 is: 1,132,548.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,750.94 : 2,069,656.47 = 820,687.50 : x
  2. Step 2: Convert to fraction form
    1,499,750.94/2,069,656.47 = 820,687.50/x
  3. Step 3: Cross multiply
    1,499,750.94x = 2,069,656.47 × 820,687.50
  4. Step 4: Simplify right side
    1,499,750.94x = 1,698,541,194,223.13
  5. Step 5: Solve for x
    x = 1,698,541,194,223.13/1,499,750.94
  6. Step 6: Final answer
    x = 1,132,548.84

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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.