Home / 1,581,288-2,369,448.16-1,222,338.40

Finding the Fourth Proportional to 1,581,288, 2,369,448.16 and 1,222,338.40

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Solution

The fourth proportional to 1,581,288, 2,369,448.16 and 1,222,338.40 is: 1,831,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,288 : 2,369,448.16 = 1,222,338.40 : x
  2. Step 2: Convert to fraction form
    1,581,288/2,369,448.16 = 1,222,338.40/x
  3. Step 3: Cross multiply
    1,581,288x = 2,369,448.16 × 1,222,338.40
  4. Step 4: Simplify right side
    1,581,288x = 2,896,267,472,777.34
  5. Step 5: Solve for x
    x = 2,896,267,472,777.34/1,581,288
  6. Step 6: Final answer
    x = 1,831,587.59

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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.