Home / 1,382,500.07-2,074,100.02-385,228.07

Finding the Fourth Proportional to 1,382,500.07, 2,074,100.02 and 385,228.07

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Solution

The fourth proportional to 1,382,500.07, 2,074,100.02 and 385,228.07 is: 577,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,500.07 : 2,074,100.02 = 385,228.07 : x
  2. Step 2: Convert to fraction form
    1,382,500.07/2,074,100.02 = 385,228.07/x
  3. Step 3: Cross multiply
    1,382,500.07x = 2,074,100.02 × 385,228.07
  4. Step 4: Simplify right side
    1,382,500.07x = 799,001,537,321.06
  5. Step 5: Solve for x
    x = 799,001,537,321.06/1,382,500.07
  6. Step 6: Final answer
    x = 577,939.60

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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.