Home / 1,155,528.80-1,594,628.54-646,231.18

Finding the Fourth Proportional to 1,155,528.80, 1,594,628.54 and 646,231.18

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Solution

The fourth proportional to 1,155,528.80, 1,594,628.54 and 646,231.18 is: 891,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,528.80 : 1,594,628.54 = 646,231.18 : x
  2. Step 2: Convert to fraction form
    1,155,528.80/1,594,628.54 = 646,231.18/x
  3. Step 3: Cross multiply
    1,155,528.80x = 1,594,628.54 × 646,231.18
  4. Step 4: Simplify right side
    1,155,528.80x = 1,030,498,681,261.45
  5. Step 5: Solve for x
    x = 1,030,498,681,261.45/1,155,528.80
  6. Step 6: Final answer
    x = 891,798.35

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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.