Home / 994,729.18-1,372,871.64-559,182.40

Finding the Fourth Proportional to 994,729.18, 1,372,871.64 and 559,182.40

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Solution

The fourth proportional to 994,729.18, 1,372,871.64 and 559,182.40 is: 771,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,729.18 : 1,372,871.64 = 559,182.40 : x
  2. Step 2: Convert to fraction form
    994,729.18/1,372,871.64 = 559,182.40/x
  3. Step 3: Cross multiply
    994,729.18x = 1,372,871.64 × 559,182.40
  4. Step 4: Simplify right side
    994,729.18x = 767,685,658,547.14
  5. Step 5: Solve for x
    x = 767,685,658,547.14/994,729.18
  6. Step 6: Final answer
    x = 771,753.43

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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.