Home / 1,172,552-1,758,379.64-639,788.24

Finding the Fourth Proportional to 1,172,552, 1,758,379.64 and 639,788.24

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Solution

The fourth proportional to 1,172,552, 1,758,379.64 and 639,788.24 is: 959,437.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,552 : 1,758,379.64 = 639,788.24 : x
  2. Step 2: Convert to fraction form
    1,172,552/1,758,379.64 = 639,788.24/x
  3. Step 3: Cross multiply
    1,172,552x = 1,758,379.64 × 639,788.24
  4. Step 4: Simplify right side
    1,172,552x = 1,124,990,615,127.43
  5. Step 5: Solve for x
    x = 1,124,990,615,127.43/1,172,552
  6. Step 6: Final answer
    x = 959,437.72

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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.