Home / 1,008,967.86-1,392,366.42-556,258.86

Finding the Fourth Proportional to 1,008,967.86, 1,392,366.42 and 556,258.86

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Solution

The fourth proportional to 1,008,967.86, 1,392,366.42 and 556,258.86 is: 767,632.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,967.86 : 1,392,366.42 = 556,258.86 : x
  2. Step 2: Convert to fraction form
    1,008,967.86/1,392,366.42 = 556,258.86/x
  3. Step 3: Cross multiply
    1,008,967.86x = 1,392,366.42 × 556,258.86
  4. Step 4: Simplify right side
    1,008,967.86x = 774,516,157,491.48
  5. Step 5: Solve for x
    x = 774,516,157,491.48/1,008,967.86
  6. Step 6: Final answer
    x = 767,632.14

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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.