Home / 1,295,866.15-1,788,293.90-715,089.16

Finding the Fourth Proportional to 1,295,866.15, 1,788,293.90 and 715,089.16

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Solution

The fourth proportional to 1,295,866.15, 1,788,293.90 and 715,089.16 is: 986,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,866.15 : 1,788,293.90 = 715,089.16 : x
  2. Step 2: Convert to fraction form
    1,295,866.15/1,788,293.90 = 715,089.16/x
  3. Step 3: Cross multiply
    1,295,866.15x = 1,788,293.90 × 715,089.16
  4. Step 4: Simplify right side
    1,295,866.15x = 1,278,789,586,807.21
  5. Step 5: Solve for x
    x = 1,278,789,586,807.21/1,295,866.15
  6. Step 6: Final answer
    x = 986,822.28

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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.