Home / 869,146.40-1,303,719.60-736,614.20

Finding the Fourth Proportional to 869,146.40, 1,303,719.60 and 736,614.20

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Solution

The fourth proportional to 869,146.40, 1,303,719.60 and 736,614.20 is: 1,104,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,146.40 : 1,303,719.60 = 736,614.20 : x
  2. Step 2: Convert to fraction form
    869,146.40/1,303,719.60 = 736,614.20/x
  3. Step 3: Cross multiply
    869,146.40x = 1,303,719.60 × 736,614.20
  4. Step 4: Simplify right side
    869,146.40x = 960,338,370,178.32
  5. Step 5: Solve for x
    x = 960,338,370,178.32/869,146.40
  6. Step 6: Final answer
    x = 1,104,921.30

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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.