Home / 1,656,242.79-2,285,696.12-931,317.90

Finding the Fourth Proportional to 1,656,242.79, 2,285,696.12 and 931,317.90

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Solution

The fourth proportional to 1,656,242.79, 2,285,696.12 and 931,317.90 is: 1,285,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,242.79 : 2,285,696.12 = 931,317.90 : x
  2. Step 2: Convert to fraction form
    1,656,242.79/2,285,696.12 = 931,317.90/x
  3. Step 3: Cross multiply
    1,656,242.79x = 2,285,696.12 × 931,317.90
  4. Step 4: Simplify right side
    1,656,242.79x = 2,128,709,705,859.96
  5. Step 5: Solve for x
    x = 2,128,709,705,859.96/1,656,242.79
  6. Step 6: Final answer
    x = 1,285,264.29

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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.