Home / 1,155,518.16-1,594,609.60-646,222.56

Finding the Fourth Proportional to 1,155,518.16, 1,594,609.60 and 646,222.56

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Solution

The fourth proportional to 1,155,518.16, 1,594,609.60 and 646,222.56 is: 891,784.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,518.16 : 1,594,609.60 = 646,222.56 : x
  2. Step 2: Convert to fraction form
    1,155,518.16/1,594,609.60 = 646,222.56/x
  3. Step 3: Cross multiply
    1,155,518.16x = 1,594,609.60 × 646,222.56
  4. Step 4: Simplify right side
    1,155,518.16x = 1,030,472,697,912.58
  5. Step 5: Solve for x
    x = 1,030,472,697,912.58/1,155,518.16
  6. Step 6: Final answer
    x = 891,784.08

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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.