Home / 1,291,202.48-1,781,873.10-710,433.24

Finding the Fourth Proportional to 1,291,202.48, 1,781,873.10 and 710,433.24

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Solution

The fourth proportional to 1,291,202.48, 1,781,873.10 and 710,433.24 is: 980,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,202.48 : 1,781,873.10 = 710,433.24 : x
  2. Step 2: Convert to fraction form
    1,291,202.48/1,781,873.10 = 710,433.24/x
  3. Step 3: Cross multiply
    1,291,202.48x = 1,781,873.10 × 710,433.24
  4. Step 4: Simplify right side
    1,291,202.48x = 1,265,901,879,701.84
  5. Step 5: Solve for x
    x = 1,265,901,879,701.84/1,291,202.48
  6. Step 6: Final answer
    x = 980,405.40

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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.