Home / 1,188,000.90-1,782,001.35-346,552.65

Finding the Fourth Proportional to 1,188,000.90, 1,782,001.35 and 346,552.65

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Solution

The fourth proportional to 1,188,000.90, 1,782,001.35 and 346,552.65 is: 519,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,000.90 : 1,782,001.35 = 346,552.65 : x
  2. Step 2: Convert to fraction form
    1,188,000.90/1,782,001.35 = 346,552.65/x
  3. Step 3: Cross multiply
    1,188,000.90x = 1,782,001.35 × 346,552.65
  4. Step 4: Simplify right side
    1,188,000.90x = 617,557,290,146.08
  5. Step 5: Solve for x
    x = 617,557,290,146.08/1,188,000.90
  6. Step 6: Final answer
    x = 519,828.98

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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.