Home / 1,500,938.88-2,071,296.08-812,610.60

Finding the Fourth Proportional to 1,500,938.88, 2,071,296.08 and 812,610.60

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Solution

The fourth proportional to 1,500,938.88, 2,071,296.08 and 812,610.60 is: 1,121,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,938.88 : 2,071,296.08 = 812,610.60 : x
  2. Step 2: Convert to fraction form
    1,500,938.88/2,071,296.08 = 812,610.60/x
  3. Step 3: Cross multiply
    1,500,938.88x = 2,071,296.08 × 812,610.60
  4. Step 4: Simplify right side
    1,500,938.88x = 1,683,157,150,346.45
  5. Step 5: Solve for x
    x = 1,683,157,150,346.45/1,500,938.88
  6. Step 6: Final answer
    x = 1,121,402.86

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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.