Home / 1,148,470.30-1,722,574.23-307,087.66

Finding the Fourth Proportional to 1,148,470.30, 1,722,574.23 and 307,087.66

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Solution

The fourth proportional to 1,148,470.30, 1,722,574.23 and 307,087.66 is: 460,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,470.30 : 1,722,574.23 = 307,087.66 : x
  2. Step 2: Convert to fraction form
    1,148,470.30/1,722,574.23 = 307,087.66/x
  3. Step 3: Cross multiply
    1,148,470.30x = 1,722,574.23 × 307,087.66
  4. Step 4: Simplify right side
    1,148,470.30x = 528,981,284,008.99
  5. Step 5: Solve for x
    x = 528,981,284,008.99/1,148,470.30
  6. Step 6: Final answer
    x = 460,596.40

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Double scale
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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.