Home / 1,333,742.28-2,000,821.80-434,974.92

Finding the Fourth Proportional to 1,333,742.28, 2,000,821.80 and 434,974.92

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Solution

The fourth proportional to 1,333,742.28, 2,000,821.80 and 434,974.92 is: 652,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,742.28 : 2,000,821.80 = 434,974.92 : x
  2. Step 2: Convert to fraction form
    1,333,742.28/2,000,821.80 = 434,974.92/x
  3. Step 3: Cross multiply
    1,333,742.28x = 2,000,821.80 × 434,974.92
  4. Step 4: Simplify right side
    1,333,742.28x = 870,307,302,389.26
  5. Step 5: Solve for x
    x = 870,307,302,389.26/1,333,742.28
  6. Step 6: Final answer
    x = 652,530.34

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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.