Home / 1,405,079.04-2,107,620-657,649.92

Finding the Fourth Proportional to 1,405,079.04, 2,107,620 and 657,649.92

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Solution

The fourth proportional to 1,405,079.04, 2,107,620 and 657,649.92 is: 986,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,079.04 : 2,107,620 = 657,649.92 : x
  2. Step 2: Convert to fraction form
    1,405,079.04/2,107,620 = 657,649.92/x
  3. Step 3: Cross multiply
    1,405,079.04x = 2,107,620 × 657,649.92
  4. Step 4: Simplify right side
    1,405,079.04x = 1,386,076,124,390.40
  5. Step 5: Solve for x
    x = 1,386,076,124,390.40/1,405,079.04
  6. Step 6: Final answer
    x = 986,475.55

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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.