Home / 1,379,882.77-2,069,678.55-369,106.72

Finding the Fourth Proportional to 1,379,882.77, 2,069,678.55 and 369,106.72

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Solution

The fourth proportional to 1,379,882.77, 2,069,678.55 and 369,106.72 is: 553,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,882.77 : 2,069,678.55 = 369,106.72 : x
  2. Step 2: Convert to fraction form
    1,379,882.77/2,069,678.55 = 369,106.72/x
  3. Step 3: Cross multiply
    1,379,882.77x = 2,069,678.55 × 369,106.72
  4. Step 4: Simplify right side
    1,379,882.77x = 763,932,255,870.66
  5. Step 5: Solve for x
    x = 763,932,255,870.66/1,379,882.77
  6. Step 6: Final answer
    x = 553,621.13

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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.