Home / 1,265,120-1,897,223.10-507,134.96

Finding the Fourth Proportional to 1,265,120, 1,897,223.10 and 507,134.96

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Solution

The fourth proportional to 1,265,120, 1,897,223.10 and 507,134.96 is: 760,519.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,120 : 1,897,223.10 = 507,134.96 : x
  2. Step 2: Convert to fraction form
    1,265,120/1,897,223.10 = 507,134.96/x
  3. Step 3: Cross multiply
    1,265,120x = 1,897,223.10 × 507,134.96
  4. Step 4: Simplify right side
    1,265,120x = 962,148,160,929.58
  5. Step 5: Solve for x
    x = 962,148,160,929.58/1,265,120
  6. Step 6: Final answer
    x = 760,519.29

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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.