Home / 1,500,817.35-2,071,118.43-812,484.18

Finding the Fourth Proportional to 1,500,817.35, 2,071,118.43 and 812,484.18

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Solution

The fourth proportional to 1,500,817.35, 2,071,118.43 and 812,484.18 is: 1,121,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,817.35 : 2,071,118.43 = 812,484.18 : x
  2. Step 2: Convert to fraction form
    1,500,817.35/2,071,118.43 = 812,484.18/x
  3. Step 3: Cross multiply
    1,500,817.35x = 2,071,118.43 × 812,484.18
  4. Step 4: Simplify right side
    1,500,817.35x = 1,682,750,959,281.44
  5. Step 5: Solve for x
    x = 1,682,750,959,281.44/1,500,817.35
  6. Step 6: Final answer
    x = 1,121,223.02

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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.