Home / 1,038,696.63-1,553,945.54-786,703.20

Finding the Fourth Proportional to 1,038,696.63, 1,553,945.54 and 786,703.20

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Solution

The fourth proportional to 1,038,696.63, 1,553,945.54 and 786,703.20 is: 1,176,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,696.63 : 1,553,945.54 = 786,703.20 : x
  2. Step 2: Convert to fraction form
    1,038,696.63/1,553,945.54 = 786,703.20/x
  3. Step 3: Cross multiply
    1,038,696.63x = 1,553,945.54 × 786,703.20
  4. Step 4: Simplify right side
    1,038,696.63x = 1,222,493,925,010.21
  5. Step 5: Solve for x
    x = 1,222,493,925,010.21/1,038,696.63
  6. Step 6: Final answer
    x = 1,176,949.93

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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.