Home / 1,299,278.40-1,948,916.64-352,788

Finding the Fourth Proportional to 1,299,278.40, 1,948,916.64 and 352,788

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Solution

The fourth proportional to 1,299,278.40, 1,948,916.64 and 352,788 is: 529,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,278.40 : 1,948,916.64 = 352,788 : x
  2. Step 2: Convert to fraction form
    1,299,278.40/1,948,916.64 = 352,788/x
  3. Step 3: Cross multiply
    1,299,278.40x = 1,948,916.64 × 352,788
  4. Step 4: Simplify right side
    1,299,278.40x = 687,554,403,592.32
  5. Step 5: Solve for x
    x = 687,554,403,592.32/1,299,278.40
  6. Step 6: Final answer
    x = 529,181.74

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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.