Home / 1,013,959.86-1,521,463.91-445,739.90

Finding the Fourth Proportional to 1,013,959.86, 1,521,463.91 and 445,739.90

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Solution

The fourth proportional to 1,013,959.86, 1,521,463.91 and 445,739.90 is: 668,840.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,959.86 : 1,521,463.91 = 445,739.90 : x
  2. Step 2: Convert to fraction form
    1,013,959.86/1,521,463.91 = 445,739.90/x
  3. Step 3: Cross multiply
    1,013,959.86x = 1,521,463.91 × 445,739.90
  4. Step 4: Simplify right side
    1,013,959.86x = 678,177,161,260.99
  5. Step 5: Solve for x
    x = 678,177,161,260.99/1,013,959.86
  6. Step 6: Final answer
    x = 668,840.25

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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.