Home / 1,009,403.30-1,392,938.07-556,694.30

Finding the Fourth Proportional to 1,009,403.30, 1,392,938.07 and 556,694.30

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Solution

The fourth proportional to 1,009,403.30, 1,392,938.07 and 556,694.30 is: 768,216.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,403.30 : 1,392,938.07 = 556,694.30 : x
  2. Step 2: Convert to fraction form
    1,009,403.30/1,392,938.07 = 556,694.30/x
  3. Step 3: Cross multiply
    1,009,403.30x = 1,392,938.07 × 556,694.30
  4. Step 4: Simplify right side
    1,009,403.30x = 775,440,685,216.74
  5. Step 5: Solve for x
    x = 775,440,685,216.74/1,009,403.30
  6. Step 6: Final answer
    x = 768,216.91

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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.