Home / 1,432,813.46-1,977,298.90-820,953.94

Finding the Fourth Proportional to 1,432,813.46, 1,977,298.90 and 820,953.94

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Solution

The fourth proportional to 1,432,813.46, 1,977,298.90 and 820,953.94 is: 1,132,925.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,813.46 : 1,977,298.90 = 820,953.94 : x
  2. Step 2: Convert to fraction form
    1,432,813.46/1,977,298.90 = 820,953.94/x
  3. Step 3: Cross multiply
    1,432,813.46x = 1,977,298.90 × 820,953.94
  4. Step 4: Simplify right side
    1,432,813.46x = 1,623,271,322,512.67
  5. Step 5: Solve for x
    x = 1,623,271,322,512.67/1,432,813.46
  6. Step 6: Final answer
    x = 1,132,925.79

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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.