Home / 1,188,948.88-1,783,048.70-390,044.24

Finding the Fourth Proportional to 1,188,948.88, 1,783,048.70 and 390,044.24

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Solution

The fourth proportional to 1,188,948.88, 1,783,048.70 and 390,044.24 is: 584,943.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,948.88 : 1,783,048.70 = 390,044.24 : x
  2. Step 2: Convert to fraction form
    1,188,948.88/1,783,048.70 = 390,044.24/x
  3. Step 3: Cross multiply
    1,188,948.88x = 1,783,048.70 × 390,044.24
  4. Step 4: Simplify right side
    1,188,948.88x = 695,467,875,074.49
  5. Step 5: Solve for x
    x = 695,467,875,074.49/1,188,948.88
  6. Step 6: Final answer
    x = 584,943.46

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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.