Home / 1,535,580.72-2,119,087.36-847,258.92

Finding the Fourth Proportional to 1,535,580.72, 2,119,087.36 and 847,258.92

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Solution

The fourth proportional to 1,535,580.72, 2,119,087.36 and 847,258.92 is: 1,169,209.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,580.72 : 2,119,087.36 = 847,258.92 : x
  2. Step 2: Convert to fraction form
    1,535,580.72/2,119,087.36 = 847,258.92/x
  3. Step 3: Cross multiply
    1,535,580.72x = 2,119,087.36 × 847,258.92
  4. Step 4: Simplify right side
    1,535,580.72x = 1,795,415,668,019.25
  5. Step 5: Solve for x
    x = 1,795,415,668,019.25/1,535,580.72
  6. Step 6: Final answer
    x = 1,169,209.57

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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.