Home / 1,572,032.12-2,169,083.64-918,531.79

Finding the Fourth Proportional to 1,572,032.12, 2,169,083.64 and 918,531.79

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Solution

The fourth proportional to 1,572,032.12, 2,169,083.64 and 918,531.79 is: 1,267,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,032.12 : 2,169,083.64 = 918,531.79 : x
  2. Step 2: Convert to fraction form
    1,572,032.12/2,169,083.64 = 918,531.79/x
  3. Step 3: Cross multiply
    1,572,032.12x = 2,169,083.64 × 918,531.79
  4. Step 4: Simplify right side
    1,572,032.12x = 1,992,372,265,730.32
  5. Step 5: Solve for x
    x = 1,992,372,265,730.32/1,572,032.12
  6. Step 6: Final answer
    x = 1,267,386.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.