Home / 1,077,237.56-1,615,897.20-403,247.90

Finding the Fourth Proportional to 1,077,237.56, 1,615,897.20 and 403,247.90

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Solution

The fourth proportional to 1,077,237.56, 1,615,897.20 and 403,247.90 is: 604,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,237.56 : 1,615,897.20 = 403,247.90 : x
  2. Step 2: Convert to fraction form
    1,077,237.56/1,615,897.20 = 403,247.90/x
  3. Step 3: Cross multiply
    1,077,237.56x = 1,615,897.20 × 403,247.90
  4. Step 4: Simplify right side
    1,077,237.56x = 651,607,152,515.88
  5. Step 5: Solve for x
    x = 651,607,152,515.88/1,077,237.56
  6. Step 6: Final answer
    x = 604,887.15

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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.