Home / 1,140,746.63-1,574,263.22-631,481.81

Finding the Fourth Proportional to 1,140,746.63, 1,574,263.22 and 631,481.81

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Solution

The fourth proportional to 1,140,746.63, 1,574,263.22 and 631,481.81 is: 871,463.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,746.63 : 1,574,263.22 = 631,481.81 : x
  2. Step 2: Convert to fraction form
    1,140,746.63/1,574,263.22 = 631,481.81/x
  3. Step 3: Cross multiply
    1,140,746.63x = 1,574,263.22 × 631,481.81
  4. Step 4: Simplify right side
    1,140,746.63x = 994,118,576,553.30
  5. Step 5: Solve for x
    x = 994,118,576,553.30/1,140,746.63
  6. Step 6: Final answer
    x = 871,463.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.