Home / 1,237,999.64-1,707,810.66-808,531.16

Finding the Fourth Proportional to 1,237,999.64, 1,707,810.66 and 808,531.16

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Solution

The fourth proportional to 1,237,999.64, 1,707,810.66 and 808,531.16 is: 1,115,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,999.64 : 1,707,810.66 = 808,531.16 : x
  2. Step 2: Convert to fraction form
    1,237,999.64/1,707,810.66 = 808,531.16/x
  3. Step 3: Cross multiply
    1,237,999.64x = 1,707,810.66 × 808,531.16
  4. Step 4: Simplify right side
    1,237,999.64x = 1,380,818,133,990.17
  5. Step 5: Solve for x
    x = 1,380,818,133,990.17/1,237,999.64
  6. Step 6: Final answer
    x = 1,115,362.31

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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.