Home / 1,178,124.02-1,625,817.67-661,899.68

Finding the Fourth Proportional to 1,178,124.02, 1,625,817.67 and 661,899.68

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Solution

The fourth proportional to 1,178,124.02, 1,625,817.67 and 661,899.68 is: 913,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,124.02 : 1,625,817.67 = 661,899.68 : x
  2. Step 2: Convert to fraction form
    1,178,124.02/1,625,817.67 = 661,899.68/x
  3. Step 3: Cross multiply
    1,178,124.02x = 1,625,817.67 × 661,899.68
  4. Step 4: Simplify right side
    1,178,124.02x = 1,076,128,195,511.35
  5. Step 5: Solve for x
    x = 1,076,128,195,511.35/1,178,124.02
  6. Step 6: Final answer
    x = 913,425.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.