Home / 1,255,890.80-1,883,836.20-507,936.80

Finding the Fourth Proportional to 1,255,890.80, 1,883,836.20 and 507,936.80

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Solution

The fourth proportional to 1,255,890.80, 1,883,836.20 and 507,936.80 is: 761,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,890.80 : 1,883,836.20 = 507,936.80 : x
  2. Step 2: Convert to fraction form
    1,255,890.80/1,883,836.20 = 507,936.80/x
  3. Step 3: Cross multiply
    1,255,890.80x = 1,883,836.20 × 507,936.80
  4. Step 4: Simplify right side
    1,255,890.80x = 956,869,731,152.16
  5. Step 5: Solve for x
    x = 956,869,731,152.16/1,255,890.80
  6. Step 6: Final answer
    x = 761,905.20

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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.