Home / 1,109,986.40-1,531,775.46-600,688.76

Finding the Fourth Proportional to 1,109,986.40, 1,531,775.46 and 600,688.76

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Solution

The fourth proportional to 1,109,986.40, 1,531,775.46 and 600,688.76 is: 828,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,986.40 : 1,531,775.46 = 600,688.76 : x
  2. Step 2: Convert to fraction form
    1,109,986.40/1,531,775.46 = 600,688.76/x
  3. Step 3: Cross multiply
    1,109,986.40x = 1,531,775.46 × 600,688.76
  4. Step 4: Simplify right side
    1,109,986.40x = 920,120,301,665.83
  5. Step 5: Solve for x
    x = 920,120,301,665.83/1,109,986.40
  6. Step 6: Final answer
    x = 828,947.37

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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.