Home / 1,038,203.80-1,557,597.30-505,742.20

Finding the Fourth Proportional to 1,038,203.80, 1,557,597.30 and 505,742.20

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Solution

The fourth proportional to 1,038,203.80, 1,557,597.30 and 505,742.20 is: 758,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,203.80 : 1,557,597.30 = 505,742.20 : x
  2. Step 2: Convert to fraction form
    1,038,203.80/1,557,597.30 = 505,742.20/x
  3. Step 3: Cross multiply
    1,038,203.80x = 1,557,597.30 × 505,742.20
  4. Step 4: Simplify right side
    1,038,203.80x = 787,742,685,216.06
  5. Step 5: Solve for x
    x = 787,742,685,216.06/1,038,203.80
  6. Step 6: Final answer
    x = 758,755.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.