Home / 1,798,151.53-2,697,407.70-518,790.70

Finding the Fourth Proportional to 1,798,151.53, 2,697,407.70 and 518,790.70

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Solution

The fourth proportional to 1,798,151.53, 2,697,407.70 and 518,790.70 is: 778,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,151.53 : 2,697,407.70 = 518,790.70 : x
  2. Step 2: Convert to fraction form
    1,798,151.53/2,697,407.70 = 518,790.70/x
  3. Step 3: Cross multiply
    1,798,151.53x = 2,697,407.70 × 518,790.70
  4. Step 4: Simplify right side
    1,798,151.53x = 1,399,390,028,868.39
  5. Step 5: Solve for x
    x = 1,399,390,028,868.39/1,798,151.53
  6. Step 6: Final answer
    x = 778,238.10

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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.