Home / 1,138,743.80-1,708,647.06-507,591.80

Finding the Fourth Proportional to 1,138,743.80, 1,708,647.06 and 507,591.80

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Solution

The fourth proportional to 1,138,743.80, 1,708,647.06 and 507,591.80 is: 761,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,743.80 : 1,708,647.06 = 507,591.80 : x
  2. Step 2: Convert to fraction form
    1,138,743.80/1,708,647.06 = 507,591.80/x
  3. Step 3: Cross multiply
    1,138,743.80x = 1,708,647.06 × 507,591.80
  4. Step 4: Simplify right side
    1,138,743.80x = 867,295,236,750.11
  5. Step 5: Solve for x
    x = 867,295,236,750.11/1,138,743.80
  6. Step 6: Final answer
    x = 761,624.55

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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.