Home / 1,277,343-1,916,014.50-716,421.24

Finding the Fourth Proportional to 1,277,343, 1,916,014.50 and 716,421.24

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Solution

The fourth proportional to 1,277,343, 1,916,014.50 and 716,421.24 is: 1,074,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,343 : 1,916,014.50 = 716,421.24 : x
  2. Step 2: Convert to fraction form
    1,277,343/1,916,014.50 = 716,421.24/x
  3. Step 3: Cross multiply
    1,277,343x = 1,916,014.50 × 716,421.24
  4. Step 4: Simplify right side
    1,277,343x = 1,372,673,483,947.98
  5. Step 5: Solve for x
    x = 1,372,673,483,947.98/1,277,343
  6. Step 6: Final answer
    x = 1,074,631.86

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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.