Home / 1,412,211.60-2,118,220.20-452,653.20

Finding the Fourth Proportional to 1,412,211.60, 2,118,220.20 and 452,653.20

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Solution

The fourth proportional to 1,412,211.60, 2,118,220.20 and 452,653.20 is: 678,948.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,211.60 : 2,118,220.20 = 452,653.20 : x
  2. Step 2: Convert to fraction form
    1,412,211.60/2,118,220.20 = 452,653.20/x
  3. Step 3: Cross multiply
    1,412,211.60x = 2,118,220.20 × 452,653.20
  4. Step 4: Simplify right side
    1,412,211.60x = 958,819,151,834.64
  5. Step 5: Solve for x
    x = 958,819,151,834.64/1,412,211.60
  6. Step 6: Final answer
    x = 678,948.64

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Double scale
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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.