Home / 1,230,462.32-1,845,980.50-420,853

Finding the Fourth Proportional to 1,230,462.32, 1,845,980.50 and 420,853

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Solution

The fourth proportional to 1,230,462.32, 1,845,980.50 and 420,853 is: 631,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,462.32 : 1,845,980.50 = 420,853 : x
  2. Step 2: Convert to fraction form
    1,230,462.32/1,845,980.50 = 420,853/x
  3. Step 3: Cross multiply
    1,230,462.32x = 1,845,980.50 × 420,853
  4. Step 4: Simplify right side
    1,230,462.32x = 776,886,431,366.50
  5. Step 5: Solve for x
    x = 776,886,431,366.50/1,230,462.32
  6. Step 6: Final answer
    x = 631,377.67

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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.