Home / 1,104,800.40-1,656,034.20-430,621.20

Finding the Fourth Proportional to 1,104,800.40, 1,656,034.20 and 430,621.20

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Solution

The fourth proportional to 1,104,800.40, 1,656,034.20 and 430,621.20 is: 645,477.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,800.40 : 1,656,034.20 = 430,621.20 : x
  2. Step 2: Convert to fraction form
    1,104,800.40/1,656,034.20 = 430,621.20/x
  3. Step 3: Cross multiply
    1,104,800.40x = 1,656,034.20 × 430,621.20
  4. Step 4: Simplify right side
    1,104,800.40x = 713,123,434,445.04
  5. Step 5: Solve for x
    x = 713,123,434,445.04/1,104,800.40
  6. Step 6: Final answer
    x = 645,477.17

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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.