Home / 1,312,676.10-1,969,014.15-315,404.10

Finding the Fourth Proportional to 1,312,676.10, 1,969,014.15 and 315,404.10

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Solution

The fourth proportional to 1,312,676.10, 1,969,014.15 and 315,404.10 is: 473,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,676.10 : 1,969,014.15 = 315,404.10 : x
  2. Step 2: Convert to fraction form
    1,312,676.10/1,969,014.15 = 315,404.10/x
  3. Step 3: Cross multiply
    1,312,676.10x = 1,969,014.15 × 315,404.10
  4. Step 4: Simplify right side
    1,312,676.10x = 621,035,135,868.02
  5. Step 5: Solve for x
    x = 621,035,135,868.02/1,312,676.10
  6. Step 6: Final answer
    x = 473,106.15

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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.