Home / 1,155,004.73-1,593,916.61-638,731.79

Finding the Fourth Proportional to 1,155,004.73, 1,593,916.61 and 638,731.79

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Solution

The fourth proportional to 1,155,004.73, 1,593,916.61 and 638,731.79 is: 881,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,004.73 : 1,593,916.61 = 638,731.79 : x
  2. Step 2: Convert to fraction form
    1,155,004.73/1,593,916.61 = 638,731.79/x
  3. Step 3: Cross multiply
    1,155,004.73x = 1,593,916.61 × 638,731.79
  4. Step 4: Simplify right side
    1,155,004.73x = 1,018,085,209,416.03
  5. Step 5: Solve for x
    x = 1,018,085,209,416.03/1,155,004.73
  6. Step 6: Final answer
    x = 881,455.45

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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.