Home / 1,005,946.24-1,388,234.88-553,266.40

Finding the Fourth Proportional to 1,005,946.24, 1,388,234.88 and 553,266.40

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Solution

The fourth proportional to 1,005,946.24, 1,388,234.88 and 553,266.40 is: 763,523.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,946.24 : 1,388,234.88 = 553,266.40 : x
  2. Step 2: Convert to fraction form
    1,005,946.24/1,388,234.88 = 553,266.40/x
  3. Step 3: Cross multiply
    1,005,946.24x = 1,388,234.88 × 553,266.40
  4. Step 4: Simplify right side
    1,005,946.24x = 768,063,714,412.03
  5. Step 5: Solve for x
    x = 768,063,714,412.03/1,005,946.24
  6. Step 6: Final answer
    x = 763,523.62

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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.