Home / 1,465,280.90-2,195,005.35-1,289,932.10

Finding the Fourth Proportional to 1,465,280.90, 2,195,005.35 and 1,289,932.10

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Solution

The fourth proportional to 1,465,280.90, 2,195,005.35 and 1,289,932.10 is: 1,932,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,280.90 : 2,195,005.35 = 1,289,932.10 : x
  2. Step 2: Convert to fraction form
    1,465,280.90/2,195,005.35 = 1,289,932.10/x
  3. Step 3: Cross multiply
    1,465,280.90x = 2,195,005.35 × 1,289,932.10
  4. Step 4: Simplify right side
    1,465,280.90x = 2,831,407,860,636.74
  5. Step 5: Solve for x
    x = 2,831,407,860,636.74/1,465,280.90
  6. Step 6: Final answer
    x = 1,932,331.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.