Home / 1,502,790.80-2,073,840.36-823,715.60

Finding the Fourth Proportional to 1,502,790.80, 2,073,840.36 and 823,715.60

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Solution

The fourth proportional to 1,502,790.80, 2,073,840.36 and 823,715.60 is: 1,136,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,790.80 : 2,073,840.36 = 823,715.60 : x
  2. Step 2: Convert to fraction form
    1,502,790.80/2,073,840.36 = 823,715.60/x
  3. Step 3: Cross multiply
    1,502,790.80x = 2,073,840.36 × 823,715.60
  4. Step 4: Simplify right side
    1,502,790.80x = 1,708,254,656,441.62
  5. Step 5: Solve for x
    x = 1,708,254,656,441.62/1,502,790.80
  6. Step 6: Final answer
    x = 1,136,721.53

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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.