Home / 1,154,561.85-1,593,261.09-645,263.01

Finding the Fourth Proportional to 1,154,561.85, 1,593,261.09 and 645,263.01

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Solution

The fourth proportional to 1,154,561.85, 1,593,261.09 and 645,263.01 is: 890,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,561.85 : 1,593,261.09 = 645,263.01 : x
  2. Step 2: Convert to fraction form
    1,154,561.85/1,593,261.09 = 645,263.01/x
  3. Step 3: Cross multiply
    1,154,561.85x = 1,593,261.09 × 645,263.01
  4. Step 4: Simplify right side
    1,154,561.85x = 1,028,072,446,649.28
  5. Step 5: Solve for x
    x = 1,028,072,446,649.28/1,154,561.85
  6. Step 6: Final answer
    x = 890,443.80

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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.