Home / 1,766,674.36-2,650,055.10-644,743

Finding the Fourth Proportional to 1,766,674.36, 2,650,055.10 and 644,743

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Solution

The fourth proportional to 1,766,674.36, 2,650,055.10 and 644,743 is: 967,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,674.36 : 2,650,055.10 = 644,743 : x
  2. Step 2: Convert to fraction form
    1,766,674.36/2,650,055.10 = 644,743/x
  3. Step 3: Cross multiply
    1,766,674.36x = 2,650,055.10 × 644,743
  4. Step 4: Simplify right side
    1,766,674.36x = 1,708,604,475,339.30
  5. Step 5: Solve for x
    x = 1,708,604,475,339.30/1,766,674.36
  6. Step 6: Final answer
    x = 967,130.40

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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.