Home / 1,302,303.60-1,797,274.08-786,184.38

Finding the Fourth Proportional to 1,302,303.60, 1,797,274.08 and 786,184.38

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Solution

The fourth proportional to 1,302,303.60, 1,797,274.08 and 786,184.38 is: 1,084,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,303.60 : 1,797,274.08 = 786,184.38 : x
  2. Step 2: Convert to fraction form
    1,302,303.60/1,797,274.08 = 786,184.38/x
  3. Step 3: Cross multiply
    1,302,303.60x = 1,797,274.08 × 786,184.38
  4. Step 4: Simplify right side
    1,302,303.60x = 1,412,988,808,274.87
  5. Step 5: Solve for x
    x = 1,412,988,808,274.87/1,302,303.60
  6. Step 6: Final answer
    x = 1,084,991.86

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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.