Home / 1,018,610.68-1,527,916.29-378,830.83

Finding the Fourth Proportional to 1,018,610.68, 1,527,916.29 and 378,830.83

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Solution

The fourth proportional to 1,018,610.68, 1,527,916.29 and 378,830.83 is: 568,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,610.68 : 1,527,916.29 = 378,830.83 : x
  2. Step 2: Convert to fraction form
    1,018,610.68/1,527,916.29 = 378,830.83/x
  3. Step 3: Cross multiply
    1,018,610.68x = 1,527,916.29 × 378,830.83
  4. Step 4: Simplify right side
    1,018,610.68x = 578,821,788,671.64
  5. Step 5: Solve for x
    x = 578,821,788,671.64/1,018,610.68
  6. Step 6: Final answer
    x = 568,246.34

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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.