Home / 2,709,764.93-4,064,649.15-688,160.45

Finding the Fourth Proportional to 2,709,764.93, 4,064,649.15 and 688,160.45

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Solution

The fourth proportional to 2,709,764.93, 4,064,649.15 and 688,160.45 is: 1,032,241.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,764.93 : 4,064,649.15 = 688,160.45 : x
  2. Step 2: Convert to fraction form
    2,709,764.93/4,064,649.15 = 688,160.45/x
  3. Step 3: Cross multiply
    2,709,764.93x = 4,064,649.15 × 688,160.45
  4. Step 4: Simplify right side
    2,709,764.93x = 2,797,130,788,156.12
  5. Step 5: Solve for x
    x = 2,797,130,788,156.12/2,709,764.93
  6. Step 6: Final answer
    x = 1,032,241.12

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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.