Home / 1,720,008.60-2,580,012.90-440,613.60

Finding the Fourth Proportional to 1,720,008.60, 2,580,012.90 and 440,613.60

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Solution

The fourth proportional to 1,720,008.60, 2,580,012.90 and 440,613.60 is: 660,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,008.60 : 2,580,012.90 = 440,613.60 : x
  2. Step 2: Convert to fraction form
    1,720,008.60/2,580,012.90 = 440,613.60/x
  3. Step 3: Cross multiply
    1,720,008.60x = 2,580,012.90 × 440,613.60
  4. Step 4: Simplify right side
    1,720,008.60x = 1,136,788,771,915.44
  5. Step 5: Solve for x
    x = 1,136,788,771,915.44/1,720,008.60
  6. Step 6: Final answer
    x = 660,920.40

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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.