Home / 1,051,390.63-1,580,377.95-693,859.05

Finding the Fourth Proportional to 1,051,390.63, 1,580,377.95 and 693,859.05

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Solution

The fourth proportional to 1,051,390.63, 1,580,377.95 and 693,859.05 is: 1,042,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,390.63 : 1,580,377.95 = 693,859.05 : x
  2. Step 2: Convert to fraction form
    1,051,390.63/1,580,377.95 = 693,859.05/x
  3. Step 3: Cross multiply
    1,051,390.63x = 1,580,377.95 × 693,859.05
  4. Step 4: Simplify right side
    1,051,390.63x = 1,096,559,543,027.95
  5. Step 5: Solve for x
    x = 1,096,559,543,027.95/1,051,390.63
  6. Step 6: Final answer
    x = 1,042,961.11

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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.