Home / 1,007,444-1,390,272.72-554,733.92

Finding the Fourth Proportional to 1,007,444, 1,390,272.72 and 554,733.92

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Solution

The fourth proportional to 1,007,444, 1,390,272.72 and 554,733.92 is: 765,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,444 : 1,390,272.72 = 554,733.92 : x
  2. Step 2: Convert to fraction form
    1,007,444/1,390,272.72 = 554,733.92/x
  3. Step 3: Cross multiply
    1,007,444x = 1,390,272.72 × 554,733.92
  4. Step 4: Simplify right side
    1,007,444x = 771,231,435,834.66
  5. Step 5: Solve for x
    x = 771,231,435,834.66/1,007,444
  6. Step 6: Final answer
    x = 765,532.81

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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.