Home / 960,019.40-1,440,029.10-939,283.40

Finding the Fourth Proportional to 960,019.40, 1,440,029.10 and 939,283.40

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Solution

The fourth proportional to 960,019.40, 1,440,029.10 and 939,283.40 is: 1,408,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,019.40 : 1,440,029.10 = 939,283.40 : x
  2. Step 2: Convert to fraction form
    960,019.40/1,440,029.10 = 939,283.40/x
  3. Step 3: Cross multiply
    960,019.40x = 1,440,029.10 × 939,283.40
  4. Step 4: Simplify right side
    960,019.40x = 1,352,595,429,146.94
  5. Step 5: Solve for x
    x = 1,352,595,429,146.94/960,019.40
  6. Step 6: Final answer
    x = 1,408,925.10

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Similar ratio
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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.