Home / 1,437,112.81-1,983,148.98-824,834.65

Finding the Fourth Proportional to 1,437,112.81, 1,983,148.98 and 824,834.65

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Solution

The fourth proportional to 1,437,112.81, 1,983,148.98 and 824,834.65 is: 1,138,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,112.81 : 1,983,148.98 = 824,834.65 : x
  2. Step 2: Convert to fraction form
    1,437,112.81/1,983,148.98 = 824,834.65/x
  3. Step 3: Cross multiply
    1,437,112.81x = 1,983,148.98 × 824,834.65
  4. Step 4: Simplify right side
    1,437,112.81x = 1,635,769,994,816.16
  5. Step 5: Solve for x
    x = 1,635,769,994,816.16/1,437,112.81
  6. Step 6: Final answer
    x = 1,138,233.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.