Home / 1,810,282.79-2,715,774.51-688,264.31

Finding the Fourth Proportional to 1,810,282.79, 2,715,774.51 and 688,264.31

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Solution

The fourth proportional to 1,810,282.79, 2,715,774.51 and 688,264.31 is: 1,032,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,282.79 : 2,715,774.51 = 688,264.31 : x
  2. Step 2: Convert to fraction form
    1,810,282.79/2,715,774.51 = 688,264.31/x
  3. Step 3: Cross multiply
    1,810,282.79x = 2,715,774.51 × 688,264.31
  4. Step 4: Simplify right side
    1,810,282.79x = 1,869,170,678,611.17
  5. Step 5: Solve for x
    x = 1,869,170,678,611.17/1,810,282.79
  6. Step 6: Final answer
    x = 1,032,529.66

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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.