Home / 1,927,281-2,891,099.70-507,344.52

Finding the Fourth Proportional to 1,927,281, 2,891,099.70 and 507,344.52

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Solution

The fourth proportional to 1,927,281, 2,891,099.70 and 507,344.52 is: 761,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,281 : 2,891,099.70 = 507,344.52 : x
  2. Step 2: Convert to fraction form
    1,927,281/2,891,099.70 = 507,344.52/x
  3. Step 3: Cross multiply
    1,927,281x = 2,891,099.70 × 507,344.52
  4. Step 4: Simplify right side
    1,927,281x = 1,466,783,589,568.64
  5. Step 5: Solve for x
    x = 1,466,783,589,568.64/1,927,281
  6. Step 6: Final answer
    x = 761,063.69

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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.