Home / 1,663,677.69-2,295,981.53-938,260.72

Finding the Fourth Proportional to 1,663,677.69, 2,295,981.53 and 938,260.72

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Solution

The fourth proportional to 1,663,677.69, 2,295,981.53 and 938,260.72 is: 1,294,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,677.69 : 2,295,981.53 = 938,260.72 : x
  2. Step 2: Convert to fraction form
    1,663,677.69/2,295,981.53 = 938,260.72/x
  3. Step 3: Cross multiply
    1,663,677.69x = 2,295,981.53 × 938,260.72
  4. Step 4: Simplify right side
    1,663,677.69x = 2,154,229,283,444.50
  5. Step 5: Solve for x
    x = 2,154,229,283,444.50/1,663,677.69
  6. Step 6: Final answer
    x = 1,294,859.75

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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.