Home / 1,315,487.02-1,815,372.07-711,875.02

Finding the Fourth Proportional to 1,315,487.02, 1,815,372.07 and 711,875.02

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Solution

The fourth proportional to 1,315,487.02, 1,815,372.07 and 711,875.02 is: 982,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,487.02 : 1,815,372.07 = 711,875.02 : x
  2. Step 2: Convert to fraction form
    1,315,487.02/1,815,372.07 = 711,875.02/x
  3. Step 3: Cross multiply
    1,315,487.02x = 1,815,372.07 × 711,875.02
  4. Step 4: Simplify right side
    1,315,487.02x = 1,292,318,028,638.69
  5. Step 5: Solve for x
    x = 1,292,318,028,638.69/1,315,487.02
  6. Step 6: Final answer
    x = 982,387.52

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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.