Home / 1,215,001.80-1,822,502.70-585,145.80

Finding the Fourth Proportional to 1,215,001.80, 1,822,502.70 and 585,145.80

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Solution

The fourth proportional to 1,215,001.80, 1,822,502.70 and 585,145.80 is: 877,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,001.80 : 1,822,502.70 = 585,145.80 : x
  2. Step 2: Convert to fraction form
    1,215,001.80/1,822,502.70 = 585,145.80/x
  3. Step 3: Cross multiply
    1,215,001.80x = 1,822,502.70 × 585,145.80
  4. Step 4: Simplify right side
    1,215,001.80x = 1,066,429,800,393.66
  5. Step 5: Solve for x
    x = 1,066,429,800,393.66/1,215,001.80
  6. Step 6: Final answer
    x = 877,718.70

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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.