Home / 1,434,831.71-1,980,157.64-790,251.75

Finding the Fourth Proportional to 1,434,831.71, 1,980,157.64 and 790,251.75

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Solution

The fourth proportional to 1,434,831.71, 1,980,157.64 and 790,251.75 is: 1,090,596.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,831.71 : 1,980,157.64 = 790,251.75 : x
  2. Step 2: Convert to fraction form
    1,434,831.71/1,980,157.64 = 790,251.75/x
  3. Step 3: Cross multiply
    1,434,831.71x = 1,980,157.64 × 790,251.75
  4. Step 4: Simplify right side
    1,434,831.71x = 1,564,823,036,334.61
  5. Step 5: Solve for x
    x = 1,564,823,036,334.61/1,434,831.71
  6. Step 6: Final answer
    x = 1,090,596.92

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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.