Home / 1,254,621.90-1,731,321.79-710,746.59

Finding the Fourth Proportional to 1,254,621.90, 1,731,321.79 and 710,746.59

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Solution

The fourth proportional to 1,254,621.90, 1,731,321.79 and 710,746.59 is: 980,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,621.90 : 1,731,321.79 = 710,746.59 : x
  2. Step 2: Convert to fraction form
    1,254,621.90/1,731,321.79 = 710,746.59/x
  3. Step 3: Cross multiply
    1,254,621.90x = 1,731,321.79 × 710,746.59
  4. Step 4: Simplify right side
    1,254,621.90x = 1,230,531,058,435.20
  5. Step 5: Solve for x
    x = 1,230,531,058,435.20/1,254,621.90
  6. Step 6: Final answer
    x = 980,798.33

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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.