Home / 1,398,628.88-2,098,386.48-500,051.60

Finding the Fourth Proportional to 1,398,628.88, 2,098,386.48 and 500,051.60

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Solution

The fourth proportional to 1,398,628.88, 2,098,386.48 and 500,051.60 is: 750,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,628.88 : 2,098,386.48 = 500,051.60 : x
  2. Step 2: Convert to fraction form
    1,398,628.88/2,098,386.48 = 500,051.60/x
  3. Step 3: Cross multiply
    1,398,628.88x = 2,098,386.48 × 500,051.60
  4. Step 4: Simplify right side
    1,398,628.88x = 1,049,301,516,742.37
  5. Step 5: Solve for x
    x = 1,049,301,516,742.37/1,398,628.88
  6. Step 6: Final answer
    x = 750,235.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.