Home / 1,212,803.40-1,817,747.10-502,465.80

Finding the Fourth Proportional to 1,212,803.40, 1,817,747.10 and 502,465.80

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Solution

The fourth proportional to 1,212,803.40, 1,817,747.10 and 502,465.80 is: 753,094.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,803.40 : 1,817,747.10 = 502,465.80 : x
  2. Step 2: Convert to fraction form
    1,212,803.40/1,817,747.10 = 502,465.80/x
  3. Step 3: Cross multiply
    1,212,803.40x = 1,817,747.10 × 502,465.80
  4. Step 4: Simplify right side
    1,212,803.40x = 913,355,750,799.18
  5. Step 5: Solve for x
    x = 913,355,750,799.18/1,212,803.40
  6. Step 6: Final answer
    x = 753,094.65

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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.