Home / 960,014.40-1,440,021.60-890,030.40

Finding the Fourth Proportional to 960,014.40, 1,440,021.60 and 890,030.40

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Solution

The fourth proportional to 960,014.40, 1,440,021.60 and 890,030.40 is: 1,335,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,014.40 : 1,440,021.60 = 890,030.40 : x
  2. Step 2: Convert to fraction form
    960,014.40/1,440,021.60 = 890,030.40/x
  3. Step 3: Cross multiply
    960,014.40x = 1,440,021.60 × 890,030.40
  4. Step 4: Simplify right side
    960,014.40x = 1,281,663,000,656.64
  5. Step 5: Solve for x
    x = 1,281,663,000,656.64/960,014.40
  6. Step 6: Final answer
    x = 1,335,045.60

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Double scale
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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.