Home / 1,130,350.88-1,558,810.56-742,479.20

Finding the Fourth Proportional to 1,130,350.88, 1,558,810.56 and 742,479.20

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Solution

The fourth proportional to 1,130,350.88, 1,558,810.56 and 742,479.20 is: 1,023,916.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,350.88 : 1,558,810.56 = 742,479.20 : x
  2. Step 2: Convert to fraction form
    1,130,350.88/1,558,810.56 = 742,479.20/x
  3. Step 3: Cross multiply
    1,130,350.88x = 1,558,810.56 × 742,479.20
  4. Step 4: Simplify right side
    1,130,350.88x = 1,157,384,417,540.35
  5. Step 5: Solve for x
    x = 1,157,384,417,540.35/1,130,350.88
  6. Step 6: Final answer
    x = 1,023,916.06

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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.