Home / 1,670,405.30-2,305,159.34-906,458.87

Finding the Fourth Proportional to 1,670,405.30, 2,305,159.34 and 906,458.87

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Solution

The fourth proportional to 1,670,405.30, 2,305,159.34 and 906,458.87 is: 1,250,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,405.30 : 2,305,159.34 = 906,458.87 : x
  2. Step 2: Convert to fraction form
    1,670,405.30/2,305,159.34 = 906,458.87/x
  3. Step 3: Cross multiply
    1,670,405.30x = 2,305,159.34 × 906,458.87
  4. Step 4: Simplify right side
    1,670,405.30x = 2,089,532,123,869.26
  5. Step 5: Solve for x
    x = 2,089,532,123,869.26/1,670,405.30
  6. Step 6: Final answer
    x = 1,250,913.25

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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.