Home / 1,670,750.55-2,305,638-906,803.91

Finding the Fourth Proportional to 1,670,750.55, 2,305,638 and 906,803.91

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Solution

The fourth proportional to 1,670,750.55, 2,305,638 and 906,803.91 is: 1,251,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,750.55 : 2,305,638 = 906,803.91 : x
  2. Step 2: Convert to fraction form
    1,670,750.55/2,305,638 = 906,803.91/x
  3. Step 3: Cross multiply
    1,670,750.55x = 2,305,638 × 906,803.91
  4. Step 4: Simplify right side
    1,670,750.55x = 2,090,761,553,444.58
  5. Step 5: Solve for x
    x = 2,090,761,553,444.58/1,670,750.55
  6. Step 6: Final answer
    x = 1,251,390.61

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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.