Home / 1,038,660.78-1,433,348.01-579,771.35

Finding the Fourth Proportional to 1,038,660.78, 1,433,348.01 and 579,771.35

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Solution

The fourth proportional to 1,038,660.78, 1,433,348.01 and 579,771.35 is: 800,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,660.78 : 1,433,348.01 = 579,771.35 : x
  2. Step 2: Convert to fraction form
    1,038,660.78/1,433,348.01 = 579,771.35/x
  3. Step 3: Cross multiply
    1,038,660.78x = 1,433,348.01 × 579,771.35
  4. Step 4: Simplify right side
    1,038,660.78x = 831,014,110,777.51
  5. Step 5: Solve for x
    x = 831,014,110,777.51/1,038,660.78
  6. Step 6: Final answer
    x = 800,082.30

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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.