Home / 1,115,121.32-1,671,049.02-553,033.16

Finding the Fourth Proportional to 1,115,121.32, 1,671,049.02 and 553,033.16

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Solution

The fourth proportional to 1,115,121.32, 1,671,049.02 and 553,033.16 is: 828,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,121.32 : 1,671,049.02 = 553,033.16 : x
  2. Step 2: Convert to fraction form
    1,115,121.32/1,671,049.02 = 553,033.16/x
  3. Step 3: Cross multiply
    1,115,121.32x = 1,671,049.02 × 553,033.16
  4. Step 4: Simplify right side
    1,115,121.32x = 924,145,520,045.50
  5. Step 5: Solve for x
    x = 924,145,520,045.50/1,115,121.32
  6. Step 6: Final answer
    x = 828,739.89

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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.