Home / 987,196.40-1,362,340.08-579,305.08

Finding the Fourth Proportional to 987,196.40, 1,362,340.08 and 579,305.08

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Solution

The fourth proportional to 987,196.40, 1,362,340.08 and 579,305.08 is: 799,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,196.40 : 1,362,340.08 = 579,305.08 : x
  2. Step 2: Convert to fraction form
    987,196.40/1,362,340.08 = 579,305.08/x
  3. Step 3: Cross multiply
    987,196.40x = 1,362,340.08 × 579,305.08
  4. Step 4: Simplify right side
    987,196.40x = 789,210,529,031.61
  5. Step 5: Solve for x
    x = 789,210,529,031.61/987,196.40
  6. Step 6: Final answer
    x = 799,446.32

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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.