Home / 1,702,380.30-2,349,300.78-938,461.20

Finding the Fourth Proportional to 1,702,380.30, 2,349,300.78 and 938,461.20

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Solution

The fourth proportional to 1,702,380.30, 2,349,300.78 and 938,461.20 is: 1,295,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,380.30 : 2,349,300.78 = 938,461.20 : x
  2. Step 2: Convert to fraction form
    1,702,380.30/2,349,300.78 = 938,461.20/x
  3. Step 3: Cross multiply
    1,702,380.30x = 2,349,300.78 × 938,461.20
  4. Step 4: Simplify right side
    1,702,380.30x = 2,204,727,629,159.74
  5. Step 5: Solve for x
    x = 2,204,727,629,159.74/1,702,380.30
  6. Step 6: Final answer
    x = 1,295,085.26

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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.