Home / 1,348,905.78-2,024,356.48-638,935.38

Finding the Fourth Proportional to 1,348,905.78, 2,024,356.48 and 638,935.38

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Solution

The fourth proportional to 1,348,905.78, 2,024,356.48 and 638,935.38 is: 958,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,905.78 : 2,024,356.48 = 638,935.38 : x
  2. Step 2: Convert to fraction form
    1,348,905.78/2,024,356.48 = 638,935.38/x
  3. Step 3: Cross multiply
    1,348,905.78x = 2,024,356.48 × 638,935.38
  4. Step 4: Simplify right side
    1,348,905.78x = 1,293,432,976,804.26
  5. Step 5: Solve for x
    x = 1,293,432,976,804.26/1,348,905.78
  6. Step 6: Final answer
    x = 958,875.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.