Home / 1,188,943.04-1,783,039.92-390,038.42

Finding the Fourth Proportional to 1,188,943.04, 1,783,039.92 and 390,038.42

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Solution

The fourth proportional to 1,188,943.04, 1,783,039.92 and 390,038.42 is: 584,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,943.04 : 1,783,039.92 = 390,038.42 : x
  2. Step 2: Convert to fraction form
    1,188,943.04/1,783,039.92 = 390,038.42/x
  3. Step 3: Cross multiply
    1,188,943.04x = 1,783,039.92 × 390,038.42
  4. Step 4: Simplify right side
    1,188,943.04x = 695,454,076,188.68
  5. Step 5: Solve for x
    x = 695,454,076,188.68/1,188,943.04
  6. Step 6: Final answer
    x = 584,934.73

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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.