Home / 1,155,812.49-1,595,141.29-665,798.94

Finding the Fourth Proportional to 1,155,812.49, 1,595,141.29 and 665,798.94

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Solution

The fourth proportional to 1,155,812.49, 1,595,141.29 and 665,798.94 is: 918,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,812.49 : 1,595,141.29 = 665,798.94 : x
  2. Step 2: Convert to fraction form
    1,155,812.49/1,595,141.29 = 665,798.94/x
  3. Step 3: Cross multiply
    1,155,812.49x = 1,595,141.29 × 665,798.94
  4. Step 4: Simplify right side
    1,155,812.49x = 1,062,043,370,392.03
  5. Step 5: Solve for x
    x = 1,062,043,370,392.03/1,155,812.49
  6. Step 6: Final answer
    x = 918,871.69

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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.