Home / 1,105,582.56-1,658,519.75-385,937.22

Finding the Fourth Proportional to 1,105,582.56, 1,658,519.75 and 385,937.22

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Solution

The fourth proportional to 1,105,582.56, 1,658,519.75 and 385,937.22 is: 578,956.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,582.56 : 1,658,519.75 = 385,937.22 : x
  2. Step 2: Convert to fraction form
    1,105,582.56/1,658,519.75 = 385,937.22/x
  3. Step 3: Cross multiply
    1,105,582.56x = 1,658,519.75 × 385,937.22
  4. Step 4: Simplify right side
    1,105,582.56x = 640,084,502,594.94
  5. Step 5: Solve for x
    x = 640,084,502,594.94/1,105,582.56
  6. Step 6: Final answer
    x = 578,956.77

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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.