Home / 1,384,381.08-1,910,442.31-772,527.35

Finding the Fourth Proportional to 1,384,381.08, 1,910,442.31 and 772,527.35

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Solution

The fourth proportional to 1,384,381.08, 1,910,442.31 and 772,527.35 is: 1,066,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,381.08 : 1,910,442.31 = 772,527.35 : x
  2. Step 2: Convert to fraction form
    1,384,381.08/1,910,442.31 = 772,527.35/x
  3. Step 3: Cross multiply
    1,384,381.08x = 1,910,442.31 × 772,527.35
  4. Step 4: Simplify right side
    1,384,381.08x = 1,475,868,937,916.97
  5. Step 5: Solve for x
    x = 1,475,868,937,916.97/1,384,381.08
  6. Step 6: Final answer
    x = 1,066,085.75

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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.