Home / 1,378,026.20-2,062,373.70-1,210,064.60

Finding the Fourth Proportional to 1,378,026.20, 2,062,373.70 and 1,210,064.60

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Solution

The fourth proportional to 1,378,026.20, 2,062,373.70 and 1,210,064.60 is: 1,810,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,026.20 : 2,062,373.70 = 1,210,064.60 : x
  2. Step 2: Convert to fraction form
    1,378,026.20/2,062,373.70 = 1,210,064.60/x
  3. Step 3: Cross multiply
    1,378,026.20x = 2,062,373.70 × 1,210,064.60
  4. Step 4: Simplify right side
    1,378,026.20x = 2,495,605,406,341.02
  5. Step 5: Solve for x
    x = 2,495,605,406,341.02/1,378,026.20
  6. Step 6: Final answer
    x = 1,810,999.97

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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.