Home / 960,056.40-1,440,084.60-890,072.40

Finding the Fourth Proportional to 960,056.40, 1,440,084.60 and 890,072.40

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Solution

The fourth proportional to 960,056.40, 1,440,084.60 and 890,072.40 is: 1,335,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,056.40 : 1,440,084.60 = 890,072.40 : x
  2. Step 2: Convert to fraction form
    960,056.40/1,440,084.60 = 890,072.40/x
  3. Step 3: Cross multiply
    960,056.40x = 1,440,084.60 × 890,072.40
  4. Step 4: Simplify right side
    960,056.40x = 1,281,779,556,125.04
  5. Step 5: Solve for x
    x = 1,281,779,556,125.04/960,056.40
  6. Step 6: Final answer
    x = 1,335,108.60

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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.