Home / 1,000,400.04-1,380,556.10-547,733.16

Finding the Fourth Proportional to 1,000,400.04, 1,380,556.10 and 547,733.16

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Solution

The fourth proportional to 1,000,400.04, 1,380,556.10 and 547,733.16 is: 755,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,400.04 : 1,380,556.10 = 547,733.16 : x
  2. Step 2: Convert to fraction form
    1,000,400.04/1,380,556.10 = 547,733.16/x
  3. Step 3: Cross multiply
    1,000,400.04x = 1,380,556.10 × 547,733.16
  4. Step 4: Simplify right side
    1,000,400.04x = 756,176,355,210.28
  5. Step 5: Solve for x
    x = 756,176,355,210.28/1,000,400.04
  6. Step 6: Final answer
    x = 755,873.98

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1.5x scale

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.