Home / 1,212,609.40-1,818,914.10-502,401.40

Finding the Fourth Proportional to 1,212,609.40, 1,818,914.10 and 502,401.40

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Solution

The fourth proportional to 1,212,609.40, 1,818,914.10 and 502,401.40 is: 753,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,609.40 : 1,818,914.10 = 502,401.40 : x
  2. Step 2: Convert to fraction form
    1,212,609.40/1,818,914.10 = 502,401.40/x
  3. Step 3: Cross multiply
    1,212,609.40x = 1,818,914.10 × 502,401.40
  4. Step 4: Simplify right side
    1,212,609.40x = 913,824,990,319.74
  5. Step 5: Solve for x
    x = 913,824,990,319.74/1,212,609.40
  6. Step 6: Final answer
    x = 753,602.10

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Double scale
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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.