Home / 1,006,174.20-1,509,068.66-390,678.14

Finding the Fourth Proportional to 1,006,174.20, 1,509,068.66 and 390,678.14

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Solution

The fourth proportional to 1,006,174.20, 1,509,068.66 and 390,678.14 is: 585,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,174.20 : 1,509,068.66 = 390,678.14 : x
  2. Step 2: Convert to fraction form
    1,006,174.20/1,509,068.66 = 390,678.14/x
  3. Step 3: Cross multiply
    1,006,174.20x = 1,509,068.66 × 390,678.14
  4. Step 4: Simplify right side
    1,006,174.20x = 589,560,137,221.09
  5. Step 5: Solve for x
    x = 589,560,137,221.09/1,006,174.20
  6. Step 6: Final answer
    x = 585,942.41

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1.5x scale

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.