Home / 1,302,141.49-1,956,205.69-918,772.70

Finding the Fourth Proportional to 1,302,141.49, 1,956,205.69 and 918,772.70

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Solution

The fourth proportional to 1,302,141.49, 1,956,205.69 and 918,772.70 is: 1,380,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,141.49 : 1,956,205.69 = 918,772.70 : x
  2. Step 2: Convert to fraction form
    1,302,141.49/1,956,205.69 = 918,772.70/x
  3. Step 3: Cross multiply
    1,302,141.49x = 1,956,205.69 × 918,772.70
  4. Step 4: Simplify right side
    1,302,141.49x = 1,797,308,371,478.70
  5. Step 5: Solve for x
    x = 1,797,308,371,478.70/1,302,141.49
  6. Step 6: Final answer
    x = 1,380,271.18

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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.