Home / 1,170,090.90-1,755,136.35-1,025,457.30

Finding the Fourth Proportional to 1,170,090.90, 1,755,136.35 and 1,025,457.30

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Solution

The fourth proportional to 1,170,090.90, 1,755,136.35 and 1,025,457.30 is: 1,538,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,090.90 : 1,755,136.35 = 1,025,457.30 : x
  2. Step 2: Convert to fraction form
    1,170,090.90/1,755,136.35 = 1,025,457.30/x
  3. Step 3: Cross multiply
    1,170,090.90x = 1,755,136.35 × 1,025,457.30
  4. Step 4: Simplify right side
    1,170,090.90x = 1,799,817,382,602.86
  5. Step 5: Solve for x
    x = 1,799,817,382,602.86/1,170,090.90
  6. Step 6: Final answer
    x = 1,538,185.95

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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.