Home / 1,099,130.76-1,648,800.63-340,980.48

Finding the Fourth Proportional to 1,099,130.76, 1,648,800.63 and 340,980.48

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Solution

The fourth proportional to 1,099,130.76, 1,648,800.63 and 340,980.48 is: 511,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,130.76 : 1,648,800.63 = 340,980.48 : x
  2. Step 2: Convert to fraction form
    1,099,130.76/1,648,800.63 = 340,980.48/x
  3. Step 3: Cross multiply
    1,099,130.76x = 1,648,800.63 × 340,980.48
  4. Step 4: Simplify right side
    1,099,130.76x = 562,208,830,241.70
  5. Step 5: Solve for x
    x = 562,208,830,241.70/1,099,130.76
  6. Step 6: Final answer
    x = 511,503.14

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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.