Home / 1,521,989.58-2,100,320.42-833,655.02

Finding the Fourth Proportional to 1,521,989.58, 2,100,320.42 and 833,655.02

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Solution

The fourth proportional to 1,521,989.58, 2,100,320.42 and 833,655.02 is: 1,150,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,989.58 : 2,100,320.42 = 833,655.02 : x
  2. Step 2: Convert to fraction form
    1,521,989.58/2,100,320.42 = 833,655.02/x
  3. Step 3: Cross multiply
    1,521,989.58x = 2,100,320.42 × 833,655.02
  4. Step 4: Simplify right side
    1,521,989.58x = 1,750,942,661,741.51
  5. Step 5: Solve for x
    x = 1,750,942,661,741.51/1,521,989.58
  6. Step 6: Final answer
    x = 1,150,430.12

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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.