Home / 1,445,896.40-2,168,455.80-435,016.40

Finding the Fourth Proportional to 1,445,896.40, 2,168,455.80 and 435,016.40

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Solution

The fourth proportional to 1,445,896.40, 2,168,455.80 and 435,016.40 is: 652,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,896.40 : 2,168,455.80 = 435,016.40 : x
  2. Step 2: Convert to fraction form
    1,445,896.40/2,168,455.80 = 435,016.40/x
  3. Step 3: Cross multiply
    1,445,896.40x = 2,168,455.80 × 435,016.40
  4. Step 4: Simplify right side
    1,445,896.40x = 943,313,835,675.12
  5. Step 5: Solve for x
    x = 943,313,835,675.12/1,445,896.40
  6. Step 6: Final answer
    x = 652,407.62

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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.