Home / 1,130,518.72-1,694,515.20-490,083.28

Finding the Fourth Proportional to 1,130,518.72, 1,694,515.20 and 490,083.28

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Solution

The fourth proportional to 1,130,518.72, 1,694,515.20 and 490,083.28 is: 734,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,518.72 : 1,694,515.20 = 490,083.28 : x
  2. Step 2: Convert to fraction form
    1,130,518.72/1,694,515.20 = 490,083.28/x
  3. Step 3: Cross multiply
    1,130,518.72x = 1,694,515.20 × 490,083.28
  4. Step 4: Simplify right side
    1,130,518.72x = 830,453,567,225.86
  5. Step 5: Solve for x
    x = 830,453,567,225.86/1,130,518.72
  6. Step 6: Final answer
    x = 734,577.46

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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.