Home / 1,007,648.89-1,390,541.80-572,062.29

Finding the Fourth Proportional to 1,007,648.89, 1,390,541.80 and 572,062.29

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Solution

The fourth proportional to 1,007,648.89, 1,390,541.80 and 572,062.29 is: 789,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,648.89 : 1,390,541.80 = 572,062.29 : x
  2. Step 2: Convert to fraction form
    1,007,648.89/1,390,541.80 = 572,062.29/x
  3. Step 3: Cross multiply
    1,007,648.89x = 1,390,541.80 × 572,062.29
  4. Step 4: Simplify right side
    1,007,648.89x = 795,476,526,448.72
  5. Step 5: Solve for x
    x = 795,476,526,448.72/1,007,648.89
  6. Step 6: Final answer
    x = 789,438.20

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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.