Home / 1,510,947.36-2,084,482.62-898,977.78

Finding the Fourth Proportional to 1,510,947.36, 2,084,482.62 and 898,977.78

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Solution

The fourth proportional to 1,510,947.36, 2,084,482.62 and 898,977.78 is: 1,240,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,947.36 : 2,084,482.62 = 898,977.78 : x
  2. Step 2: Convert to fraction form
    1,510,947.36/2,084,482.62 = 898,977.78/x
  3. Step 3: Cross multiply
    1,510,947.36x = 2,084,482.62 × 898,977.78
  4. Step 4: Simplify right side
    1,510,947.36x = 1,873,903,558,176.18
  5. Step 5: Solve for x
    x = 1,873,903,558,176.18/1,510,947.36
  6. Step 6: Final answer
    x = 1,240,217.63

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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.