Home / 1,280,401.48-1,766,906.42-707,429.32

Finding the Fourth Proportional to 1,280,401.48, 1,766,906.42 and 707,429.32

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Solution

The fourth proportional to 1,280,401.48, 1,766,906.42 and 707,429.32 is: 976,226.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,401.48 : 1,766,906.42 = 707,429.32 : x
  2. Step 2: Convert to fraction form
    1,280,401.48/1,766,906.42 = 707,429.32/x
  3. Step 3: Cross multiply
    1,280,401.48x = 1,766,906.42 × 707,429.32
  4. Step 4: Simplify right side
    1,280,401.48x = 1,249,961,407,204.23
  5. Step 5: Solve for x
    x = 1,249,961,407,204.23/1,280,401.48
  6. Step 6: Final answer
    x = 976,226.15

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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.