Home / 1,154,351.76-1,593,040.68-645,075.60

Finding the Fourth Proportional to 1,154,351.76, 1,593,040.68 and 645,075.60

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Solution

The fourth proportional to 1,154,351.76, 1,593,040.68 and 645,075.60 is: 890,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,351.76 : 1,593,040.68 = 645,075.60 : x
  2. Step 2: Convert to fraction form
    1,154,351.76/1,593,040.68 = 645,075.60/x
  3. Step 3: Cross multiply
    1,154,351.76x = 1,593,040.68 × 645,075.60
  4. Step 4: Simplify right side
    1,154,351.76x = 1,027,631,672,475.41
  5. Step 5: Solve for x
    x = 1,027,631,672,475.41/1,154,351.76
  6. Step 6: Final answer
    x = 890,224.03

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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.