Home / 1,263,033.12-1,742,985.71-690,077.39

Finding the Fourth Proportional to 1,263,033.12, 1,742,985.71 and 690,077.39

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Solution

The fourth proportional to 1,263,033.12, 1,742,985.71 and 690,077.39 is: 952,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,033.12 : 1,742,985.71 = 690,077.39 : x
  2. Step 2: Convert to fraction form
    1,263,033.12/1,742,985.71 = 690,077.39/x
  3. Step 3: Cross multiply
    1,263,033.12x = 1,742,985.71 × 690,077.39
  4. Step 4: Simplify right side
    1,263,033.12x = 1,202,795,030,471.17
  5. Step 5: Solve for x
    x = 1,202,795,030,471.17/1,263,033.12
  6. Step 6: Final answer
    x = 952,306.80

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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.