Home / 1,110,421.47-1,532,288.43-651,487.71

Finding the Fourth Proportional to 1,110,421.47, 1,532,288.43 and 651,487.71

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Solution

The fourth proportional to 1,110,421.47, 1,532,288.43 and 651,487.71 is: 898,998.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,421.47 : 1,532,288.43 = 651,487.71 : x
  2. Step 2: Convert to fraction form
    1,110,421.47/1,532,288.43 = 651,487.71/x
  3. Step 3: Cross multiply
    1,110,421.47x = 1,532,288.43 × 651,487.71
  4. Step 4: Simplify right side
    1,110,421.47x = 998,267,080,320.20
  5. Step 5: Solve for x
    x = 998,267,080,320.20/1,110,421.47
  6. Step 6: Final answer
    x = 898,998.36

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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.