Home / 1,237,126.02-1,855,750.38-384,778.20

Finding the Fourth Proportional to 1,237,126.02, 1,855,750.38 and 384,778.20

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Solution

The fourth proportional to 1,237,126.02, 1,855,750.38 and 384,778.20 is: 577,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,126.02 : 1,855,750.38 = 384,778.20 : x
  2. Step 2: Convert to fraction form
    1,237,126.02/1,855,750.38 = 384,778.20/x
  3. Step 3: Cross multiply
    1,237,126.02x = 1,855,750.38 × 384,778.20
  4. Step 4: Simplify right side
    1,237,126.02x = 714,052,290,865.72
  5. Step 5: Solve for x
    x = 714,052,290,865.72/1,237,126.02
  6. Step 6: Final answer
    x = 577,186.38

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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.