Home / 1,102,152.04-1,520,969.22-618,718.12

Finding the Fourth Proportional to 1,102,152.04, 1,520,969.22 and 618,718.12

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Solution

The fourth proportional to 1,102,152.04, 1,520,969.22 and 618,718.12 is: 853,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,152.04 : 1,520,969.22 = 618,718.12 : x
  2. Step 2: Convert to fraction form
    1,102,152.04/1,520,969.22 = 618,718.12/x
  3. Step 3: Cross multiply
    1,102,152.04x = 1,520,969.22 × 618,718.12
  4. Step 4: Simplify right side
    1,102,152.04x = 941,051,216,376.27
  5. Step 5: Solve for x
    x = 941,051,216,376.27/1,102,152.04
  6. Step 6: Final answer
    x = 853,830.67

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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.