Home / 1,600,979.50-2,209,369.14-875,811.64

Finding the Fourth Proportional to 1,600,979.50, 2,209,369.14 and 875,811.64

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Solution

The fourth proportional to 1,600,979.50, 2,209,369.14 and 875,811.64 is: 1,208,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,979.50 : 2,209,369.14 = 875,811.64 : x
  2. Step 2: Convert to fraction form
    1,600,979.50/2,209,369.14 = 875,811.64/x
  3. Step 3: Cross multiply
    1,600,979.50x = 2,209,369.14 × 875,811.64
  4. Step 4: Simplify right side
    1,600,979.50x = 1,934,991,209,868.79
  5. Step 5: Solve for x
    x = 1,934,991,209,868.79/1,600,979.50
  6. Step 6: Final answer
    x = 1,208,629.60

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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.