Home / 1,395,435.40-2,093,153.10-344,811.40

Finding the Fourth Proportional to 1,395,435.40, 2,093,153.10 and 344,811.40

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Solution

The fourth proportional to 1,395,435.40, 2,093,153.10 and 344,811.40 is: 517,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,435.40 : 2,093,153.10 = 344,811.40 : x
  2. Step 2: Convert to fraction form
    1,395,435.40/2,093,153.10 = 344,811.40/x
  3. Step 3: Cross multiply
    1,395,435.40x = 2,093,153.10 × 344,811.40
  4. Step 4: Simplify right side
    1,395,435.40x = 721,743,050,825.34
  5. Step 5: Solve for x
    x = 721,743,050,825.34/1,395,435.40
  6. Step 6: Final answer
    x = 517,217.10

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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.