Home / 1,342,378-2,014,499.64-867,886.48

Finding the Fourth Proportional to 1,342,378, 2,014,499.64 and 867,886.48

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Solution

The fourth proportional to 1,342,378, 2,014,499.64 and 867,886.48 is: 1,302,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,378 : 2,014,499.64 = 867,886.48 : x
  2. Step 2: Convert to fraction form
    1,342,378/2,014,499.64 = 867,886.48/x
  3. Step 3: Cross multiply
    1,342,378x = 2,014,499.64 × 867,886.48
  4. Step 4: Simplify right side
    1,342,378x = 1,748,357,001,520.87
  5. Step 5: Solve for x
    x = 1,748,357,001,520.87/1,342,378
  6. Step 6: Final answer
    x = 1,302,432.70

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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.