Home / 1,015,401.40-1,523,102.10-384,335.80

Finding the Fourth Proportional to 1,015,401.40, 1,523,102.10 and 384,335.80

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Solution

The fourth proportional to 1,015,401.40, 1,523,102.10 and 384,335.80 is: 576,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,401.40 : 1,523,102.10 = 384,335.80 : x
  2. Step 2: Convert to fraction form
    1,015,401.40/1,523,102.10 = 384,335.80/x
  3. Step 3: Cross multiply
    1,015,401.40x = 1,523,102.10 × 384,335.80
  4. Step 4: Simplify right side
    1,015,401.40x = 585,382,664,085.18
  5. Step 5: Solve for x
    x = 585,382,664,085.18/1,015,401.40
  6. Step 6: Final answer
    x = 576,503.70

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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.