Home / 1,283,210.32-1,770,631.92-739,239.52

Finding the Fourth Proportional to 1,283,210.32, 1,770,631.92 and 739,239.52

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Solution

The fourth proportional to 1,283,210.32, 1,770,631.92 and 739,239.52 is: 1,020,036.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,210.32 : 1,770,631.92 = 739,239.52 : x
  2. Step 2: Convert to fraction form
    1,283,210.32/1,770,631.92 = 739,239.52/x
  3. Step 3: Cross multiply
    1,283,210.32x = 1,770,631.92 × 739,239.52
  4. Step 4: Simplify right side
    1,283,210.32x = 1,308,921,090,637.48
  5. Step 5: Solve for x
    x = 1,308,921,090,637.48/1,283,210.32
  6. Step 6: Final answer
    x = 1,020,036.29

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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.