Home / 1,178,981.07-1,768,816.07-380,244.93

Finding the Fourth Proportional to 1,178,981.07, 1,768,816.07 and 380,244.93

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Solution

The fourth proportional to 1,178,981.07, 1,768,816.07 and 380,244.93 is: 570,478.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,981.07 : 1,768,816.07 = 380,244.93 : x
  2. Step 2: Convert to fraction form
    1,178,981.07/1,768,816.07 = 380,244.93/x
  3. Step 3: Cross multiply
    1,178,981.07x = 1,768,816.07 × 380,244.93
  4. Step 4: Simplify right side
    1,178,981.07x = 672,583,340,818.80
  5. Step 5: Solve for x
    x = 672,583,340,818.80/1,178,981.07
  6. Step 6: Final answer
    x = 570,478.49

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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.