Home / 992,048.40-1,488,072.60-637,754.40

Finding the Fourth Proportional to 992,048.40, 1,488,072.60 and 637,754.40

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Solution

The fourth proportional to 992,048.40, 1,488,072.60 and 637,754.40 is: 956,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,048.40 : 1,488,072.60 = 637,754.40 : x
  2. Step 2: Convert to fraction form
    992,048.40/1,488,072.60 = 637,754.40/x
  3. Step 3: Cross multiply
    992,048.40x = 1,488,072.60 × 637,754.40
  4. Step 4: Simplify right side
    992,048.40x = 949,024,848,169.44
  5. Step 5: Solve for x
    x = 949,024,848,169.44/992,048.40
  6. Step 6: Final answer
    x = 956,631.60

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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.