Home / 1,087,923.15-1,499,984.02-724,550.37

Finding the Fourth Proportional to 1,087,923.15, 1,499,984.02 and 724,550.37

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Solution

The fourth proportional to 1,087,923.15, 1,499,984.02 and 724,550.37 is: 998,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,923.15 : 1,499,984.02 = 724,550.37 : x
  2. Step 2: Convert to fraction form
    1,087,923.15/1,499,984.02 = 724,550.37/x
  3. Step 3: Cross multiply
    1,087,923.15x = 1,499,984.02 × 724,550.37
  4. Step 4: Simplify right side
    1,087,923.15x = 1,086,813,971,965.84
  5. Step 5: Solve for x
    x = 1,086,813,971,965.84/1,087,923.15
  6. Step 6: Final answer
    x = 998,980.46

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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.