Home / 960,071.60-1,440,107.40-711,239.60

Finding the Fourth Proportional to 960,071.60, 1,440,107.40 and 711,239.60

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Solution

The fourth proportional to 960,071.60, 1,440,107.40 and 711,239.60 is: 1,066,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,071.60 : 1,440,107.40 = 711,239.60 : x
  2. Step 2: Convert to fraction form
    960,071.60/1,440,107.40 = 711,239.60/x
  3. Step 3: Cross multiply
    960,071.60x = 1,440,107.40 × 711,239.60
  4. Step 4: Simplify right side
    960,071.60x = 1,024,261,411,133.04
  5. Step 5: Solve for x
    x = 1,024,261,411,133.04/960,071.60
  6. Step 6: Final answer
    x = 1,066,859.40

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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.