Home / 1,408,008.80-2,109,248.40-960,111.20

Finding the Fourth Proportional to 1,408,008.80, 2,109,248.40 and 960,111.20

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Solution

The fourth proportional to 1,408,008.80, 2,109,248.40 and 960,111.20 is: 1,438,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,008.80 : 2,109,248.40 = 960,111.20 : x
  2. Step 2: Convert to fraction form
    1,408,008.80/2,109,248.40 = 960,111.20/x
  3. Step 3: Cross multiply
    1,408,008.80x = 2,109,248.40 × 960,111.20
  4. Step 4: Simplify right side
    1,408,008.80x = 2,025,113,012,422.08
  5. Step 5: Solve for x
    x = 2,025,113,012,422.08/1,408,008.80
  6. Step 6: Final answer
    x = 1,438,281.50

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1.5x scale

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.