Home / 1,178,123.02-1,625,816.29-661,898.68

Finding the Fourth Proportional to 1,178,123.02, 1,625,816.29 and 661,898.68

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Solution

The fourth proportional to 1,178,123.02, 1,625,816.29 and 661,898.68 is: 913,423.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,123.02 : 1,625,816.29 = 661,898.68 : x
  2. Step 2: Convert to fraction form
    1,178,123.02/1,625,816.29 = 661,898.68/x
  3. Step 3: Cross multiply
    1,178,123.02x = 1,625,816.29 × 661,898.68
  4. Step 4: Simplify right side
    1,178,123.02x = 1,076,125,656,273.50
  5. Step 5: Solve for x
    x = 1,076,125,656,273.50/1,178,123.02
  6. Step 6: Final answer
    x = 913,423.84

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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.