Home / 1,112,630.28-1,669,075.74-354,206.12

Finding the Fourth Proportional to 1,112,630.28, 1,669,075.74 and 354,206.12

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Solution

The fourth proportional to 1,112,630.28, 1,669,075.74 and 354,206.12 is: 531,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,630.28 : 1,669,075.74 = 354,206.12 : x
  2. Step 2: Convert to fraction form
    1,112,630.28/1,669,075.74 = 354,206.12/x
  3. Step 3: Cross multiply
    1,112,630.28x = 1,669,075.74 × 354,206.12
  4. Step 4: Simplify right side
    1,112,630.28x = 591,196,841,851.53
  5. Step 5: Solve for x
    x = 591,196,841,851.53/1,112,630.28
  6. Step 6: Final answer
    x = 531,350.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.