Home / 1,500,061.40-2,070,120.16-855,467.75

Finding the Fourth Proportional to 1,500,061.40, 2,070,120.16 and 855,467.75

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Solution

The fourth proportional to 1,500,061.40, 2,070,120.16 and 855,467.75 is: 1,180,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,061.40 : 2,070,120.16 = 855,467.75 : x
  2. Step 2: Convert to fraction form
    1,500,061.40/2,070,120.16 = 855,467.75/x
  3. Step 3: Cross multiply
    1,500,061.40x = 2,070,120.16 × 855,467.75
  4. Step 4: Simplify right side
    1,500,061.40x = 1,770,921,035,504.84
  5. Step 5: Solve for x
    x = 1,770,921,035,504.84/1,500,061.40
  6. Step 6: Final answer
    x = 1,180,565.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.