Home / 1,098,621.40-1,646,619.90-565,868.20

Finding the Fourth Proportional to 1,098,621.40, 1,646,619.90 and 565,868.20

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Solution

The fourth proportional to 1,098,621.40, 1,646,619.90 and 565,868.20 is: 848,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,621.40 : 1,646,619.90 = 565,868.20 : x
  2. Step 2: Convert to fraction form
    1,098,621.40/1,646,619.90 = 565,868.20/x
  3. Step 3: Cross multiply
    1,098,621.40x = 1,646,619.90 × 565,868.20
  4. Step 4: Simplify right side
    1,098,621.40x = 931,769,838,897.18
  5. Step 5: Solve for x
    x = 931,769,838,897.18/1,098,621.40
  6. Step 6: Final answer
    x = 848,126.42

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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.