Home / 839,830.70-1,262,856.45-702,973.10

Finding the Fourth Proportional to 839,830.70, 1,262,856.45 and 702,973.10

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Solution

The fourth proportional to 839,830.70, 1,262,856.45 and 702,973.10 is: 1,057,063.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,830.70 : 1,262,856.45 = 702,973.10 : x
  2. Step 2: Convert to fraction form
    839,830.70/1,262,856.45 = 702,973.10/x
  3. Step 3: Cross multiply
    839,830.70x = 1,262,856.45 × 702,973.10
  4. Step 4: Simplify right side
    839,830.70x = 887,754,113,511.50
  5. Step 5: Solve for x
    x = 887,754,113,511.50/839,830.70
  6. Step 6: Final answer
    x = 1,057,063.18

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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.