Home / 1,174,487.04-1,620,881.28-665,176.32

Finding the Fourth Proportional to 1,174,487.04, 1,620,881.28 and 665,176.32

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Solution

The fourth proportional to 1,174,487.04, 1,620,881.28 and 665,176.32 is: 917,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,487.04 : 1,620,881.28 = 665,176.32 : x
  2. Step 2: Convert to fraction form
    1,174,487.04/1,620,881.28 = 665,176.32/x
  3. Step 3: Cross multiply
    1,174,487.04x = 1,620,881.28 × 665,176.32
  4. Step 4: Simplify right side
    1,174,487.04x = 1,078,171,844,987.29
  5. Step 5: Solve for x
    x = 1,078,171,844,987.29/1,174,487.04
  6. Step 6: Final answer
    x = 917,993.82

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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.