Home / 1,306,414.40-1,959,117.76-507,590.76

Finding the Fourth Proportional to 1,306,414.40, 1,959,117.76 and 507,590.76

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Solution

The fourth proportional to 1,306,414.40, 1,959,117.76 and 507,590.76 is: 761,190.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,414.40 : 1,959,117.76 = 507,590.76 : x
  2. Step 2: Convert to fraction form
    1,306,414.40/1,959,117.76 = 507,590.76/x
  3. Step 3: Cross multiply
    1,306,414.40x = 1,959,117.76 × 507,590.76
  4. Step 4: Simplify right side
    1,306,414.40x = 994,430,072,727.90
  5. Step 5: Solve for x
    x = 994,430,072,727.90/1,306,414.40
  6. Step 6: Final answer
    x = 761,190.38

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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.