Home / 1,379,895.83-2,069,698.15-369,119.81

Finding the Fourth Proportional to 1,379,895.83, 2,069,698.15 and 369,119.81

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Solution

The fourth proportional to 1,379,895.83, 2,069,698.15 and 369,119.81 is: 553,640.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,895.83 : 2,069,698.15 = 369,119.81 : x
  2. Step 2: Convert to fraction form
    1,379,895.83/2,069,698.15 = 369,119.81/x
  3. Step 3: Cross multiply
    1,379,895.83x = 2,069,698.15 × 369,119.81
  4. Step 4: Simplify right side
    1,379,895.83x = 763,966,591,444.70
  5. Step 5: Solve for x
    x = 763,966,591,444.70/1,379,895.83
  6. Step 6: Final answer
    x = 553,640.77

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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.