Home / 1,420,706.40-2,130,829.32-521,927.04

Finding the Fourth Proportional to 1,420,706.40, 2,130,829.32 and 521,927.04

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Solution

The fourth proportional to 1,420,706.40, 2,130,829.32 and 521,927.04 is: 782,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,706.40 : 2,130,829.32 = 521,927.04 : x
  2. Step 2: Convert to fraction form
    1,420,706.40/2,130,829.32 = 521,927.04/x
  3. Step 3: Cross multiply
    1,420,706.40x = 2,130,829.32 × 521,927.04
  4. Step 4: Simplify right side
    1,420,706.40x = 1,112,137,439,732.81
  5. Step 5: Solve for x
    x = 1,112,137,439,732.81/1,420,706.40
  6. Step 6: Final answer
    x = 782,805.96

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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.