Home / 1,365,617.04-1,885,439.22-1,222,130.40

Finding the Fourth Proportional to 1,365,617.04, 1,885,439.22 and 1,222,130.40

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Solution

The fourth proportional to 1,365,617.04, 1,885,439.22 and 1,222,130.40 is: 1,687,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,617.04 : 1,885,439.22 = 1,222,130.40 : x
  2. Step 2: Convert to fraction form
    1,365,617.04/1,885,439.22 = 1,222,130.40/x
  3. Step 3: Cross multiply
    1,365,617.04x = 1,885,439.22 × 1,222,130.40
  4. Step 4: Simplify right side
    1,365,617.04x = 2,304,252,588,114.29
  5. Step 5: Solve for x
    x = 2,304,252,588,114.29/1,365,617.04
  6. Step 6: Final answer
    x = 1,687,334.38

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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.