Home / 1,154,313.06-1,592,946.96-645,015.36

Finding the Fourth Proportional to 1,154,313.06, 1,592,946.96 and 645,015.36

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Solution

The fourth proportional to 1,154,313.06, 1,592,946.96 and 645,015.36 is: 890,118.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,313.06 : 1,592,946.96 = 645,015.36 : x
  2. Step 2: Convert to fraction form
    1,154,313.06/1,592,946.96 = 645,015.36/x
  3. Step 3: Cross multiply
    1,154,313.06x = 1,592,946.96 × 645,015.36
  4. Step 4: Simplify right side
    1,154,313.06x = 1,027,475,256,865.31
  5. Step 5: Solve for x
    x = 1,027,475,256,865.31/1,154,313.06
  6. Step 6: Final answer
    x = 890,118.37

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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.