Home / 1,491,574.80-2,238,139.80-650,211.60

Finding the Fourth Proportional to 1,491,574.80, 2,238,139.80 and 650,211.60

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Solution

The fourth proportional to 1,491,574.80, 2,238,139.80 and 650,211.60 is: 975,656.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,574.80 : 2,238,139.80 = 650,211.60 : x
  2. Step 2: Convert to fraction form
    1,491,574.80/2,238,139.80 = 650,211.60/x
  3. Step 3: Cross multiply
    1,491,574.80x = 2,238,139.80 × 650,211.60
  4. Step 4: Simplify right side
    1,491,574.80x = 1,455,264,460,381.68
  5. Step 5: Solve for x
    x = 1,455,264,460,381.68/1,491,574.80
  6. Step 6: Final answer
    x = 975,656.37

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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.