Home / 1,006,108.62-1,388,400.93-553,399.62

Finding the Fourth Proportional to 1,006,108.62, 1,388,400.93 and 553,399.62

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Solution

The fourth proportional to 1,006,108.62, 1,388,400.93 and 553,399.62 is: 763,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,108.62 : 1,388,400.93 = 553,399.62 : x
  2. Step 2: Convert to fraction form
    1,006,108.62/1,388,400.93 = 553,399.62/x
  3. Step 3: Cross multiply
    1,006,108.62x = 1,388,400.93 × 553,399.62
  4. Step 4: Simplify right side
    1,006,108.62x = 768,340,547,069.65
  5. Step 5: Solve for x
    x = 768,340,547,069.65/1,006,108.62
  6. Step 6: Final answer
    x = 763,675.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.