Home / 1,130,338.82-1,559,865.06-646,913.41

Finding the Fourth Proportional to 1,130,338.82, 1,559,865.06 and 646,913.41

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Solution

The fourth proportional to 1,130,338.82, 1,559,865.06 and 646,913.41 is: 892,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,338.82 : 1,559,865.06 = 646,913.41 : x
  2. Step 2: Convert to fraction form
    1,130,338.82/1,559,865.06 = 646,913.41/x
  3. Step 3: Cross multiply
    1,130,338.82x = 1,559,865.06 × 646,913.41
  4. Step 4: Simplify right side
    1,130,338.82x = 1,009,097,621,204.79
  5. Step 5: Solve for x
    x = 1,009,097,621,204.79/1,130,338.82
  6. Step 6: Final answer
    x = 892,739.06

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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.