Home / 1,345,089.30-2,017,130.94-446,363.52

Finding the Fourth Proportional to 1,345,089.30, 2,017,130.94 and 446,363.52

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Solution

The fourth proportional to 1,345,089.30, 2,017,130.94 and 446,363.52 is: 669,378.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,089.30 : 2,017,130.94 = 446,363.52 : x
  2. Step 2: Convert to fraction form
    1,345,089.30/2,017,130.94 = 446,363.52/x
  3. Step 3: Cross multiply
    1,345,089.30x = 2,017,130.94 × 446,363.52
  4. Step 4: Simplify right side
    1,345,089.30x = 900,373,666,679.31
  5. Step 5: Solve for x
    x = 900,373,666,679.31/1,345,089.30
  6. Step 6: Final answer
    x = 669,378.36

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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.