Home / 1,009,159.26-1,392,638.31-556,451.34

Finding the Fourth Proportional to 1,009,159.26, 1,392,638.31 and 556,451.34

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Solution

The fourth proportional to 1,009,159.26, 1,392,638.31 and 556,451.34 is: 767,902.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,159.26 : 1,392,638.31 = 556,451.34 : x
  2. Step 2: Convert to fraction form
    1,009,159.26/1,392,638.31 = 556,451.34/x
  3. Step 3: Cross multiply
    1,009,159.26x = 1,392,638.31 × 556,451.34
  4. Step 4: Simplify right side
    1,009,159.26x = 774,935,453,734.84
  5. Step 5: Solve for x
    x = 774,935,453,734.84/1,009,159.26
  6. Step 6: Final answer
    x = 767,902.04

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Double scale
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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.