Home / 1,247,400.84-1,721,412.83-703,535.52

Finding the Fourth Proportional to 1,247,400.84, 1,721,412.83 and 703,535.52

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Solution

The fourth proportional to 1,247,400.84, 1,721,412.83 and 703,535.52 is: 970,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,400.84 : 1,721,412.83 = 703,535.52 : x
  2. Step 2: Convert to fraction form
    1,247,400.84/1,721,412.83 = 703,535.52/x
  3. Step 3: Cross multiply
    1,247,400.84x = 1,721,412.83 × 703,535.52
  4. Step 4: Simplify right side
    1,247,400.84x = 1,211,075,066,971.04
  5. Step 5: Solve for x
    x = 1,211,075,066,971.04/1,247,400.84
  6. Step 6: Final answer
    x = 970,878.83

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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.