Home / 1,618,230.80-2,427,929.40-672,280.40

Finding the Fourth Proportional to 1,618,230.80, 2,427,929.40 and 672,280.40

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Solution

The fourth proportional to 1,618,230.80, 2,427,929.40 and 672,280.40 is: 1,008,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,230.80 : 2,427,929.40 = 672,280.40 : x
  2. Step 2: Convert to fraction form
    1,618,230.80/2,427,929.40 = 672,280.40/x
  3. Step 3: Cross multiply
    1,618,230.80x = 2,427,929.40 × 672,280.40
  4. Step 4: Simplify right side
    1,618,230.80x = 1,632,249,348,203.76
  5. Step 5: Solve for x
    x = 1,632,249,348,203.76/1,618,230.80
  6. Step 6: Final answer
    x = 1,008,662.89

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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.