Home / 1,458,020.22-2,012,059.92-813,439.02

Finding the Fourth Proportional to 1,458,020.22, 2,012,059.92 and 813,439.02

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Solution

The fourth proportional to 1,458,020.22, 2,012,059.92 and 813,439.02 is: 1,122,541.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,020.22 : 2,012,059.92 = 813,439.02 : x
  2. Step 2: Convert to fraction form
    1,458,020.22/2,012,059.92 = 813,439.02/x
  3. Step 3: Cross multiply
    1,458,020.22x = 2,012,059.92 × 813,439.02
  4. Step 4: Simplify right side
    1,458,020.22x = 1,636,688,049,506.08
  5. Step 5: Solve for x
    x = 1,636,688,049,506.08/1,458,020.22
  6. Step 6: Final answer
    x = 1,122,541.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.