Home / 1,525,849.92-2,105,015.04-921,888

Finding the Fourth Proportional to 1,525,849.92, 2,105,015.04 and 921,888

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Solution

The fourth proportional to 1,525,849.92, 2,105,015.04 and 921,888 is: 1,271,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,849.92 : 2,105,015.04 = 921,888 : x
  2. Step 2: Convert to fraction form
    1,525,849.92/2,105,015.04 = 921,888/x
  3. Step 3: Cross multiply
    1,525,849.92x = 2,105,015.04 × 921,888
  4. Step 4: Simplify right side
    1,525,849.92x = 1,940,588,105,195.52
  5. Step 5: Solve for x
    x = 1,940,588,105,195.52/1,525,849.92
  6. Step 6: Final answer
    x = 1,271,807.98

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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.