Home / 1,148,420.32-1,721,974.08-349,465.60

Finding the Fourth Proportional to 1,148,420.32, 1,721,974.08 and 349,465.60

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Solution

The fourth proportional to 1,148,420.32, 1,721,974.08 and 349,465.60 is: 523,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,420.32 : 1,721,974.08 = 349,465.60 : x
  2. Step 2: Convert to fraction form
    1,148,420.32/1,721,974.08 = 349,465.60/x
  3. Step 3: Cross multiply
    1,148,420.32x = 1,721,974.08 × 349,465.60
  4. Step 4: Simplify right side
    1,148,420.32x = 601,770,705,051.65
  5. Step 5: Solve for x
    x = 601,770,705,051.65/1,148,420.32
  6. Step 6: Final answer
    x = 523,998.66

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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.