Home / 1,643,325.40-2,467,061.70-885,770.20

Finding the Fourth Proportional to 1,643,325.40, 2,467,061.70 and 885,770.20

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Solution

The fourth proportional to 1,643,325.40, 2,467,061.70 and 885,770.20 is: 1,329,772.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,325.40 : 2,467,061.70 = 885,770.20 : x
  2. Step 2: Convert to fraction form
    1,643,325.40/2,467,061.70 = 885,770.20/x
  3. Step 3: Cross multiply
    1,643,325.40x = 2,467,061.70 × 885,770.20
  4. Step 4: Simplify right side
    1,643,325.40x = 2,185,249,735,421.34
  5. Step 5: Solve for x
    x = 2,185,249,735,421.34/1,643,325.40
  6. Step 6: Final answer
    x = 1,329,772.99

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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.