Home / 1,496,669.40-2,245,004.10-431,746.20

Finding the Fourth Proportional to 1,496,669.40, 2,245,004.10 and 431,746.20

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Solution

The fourth proportional to 1,496,669.40, 2,245,004.10 and 431,746.20 is: 647,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496,669.40 : 2,245,004.10 = 431,746.20 : x
  2. Step 2: Convert to fraction form
    1,496,669.40/2,245,004.10 = 431,746.20/x
  3. Step 3: Cross multiply
    1,496,669.40x = 2,245,004.10 × 431,746.20
  4. Step 4: Simplify right side
    1,496,669.40x = 969,271,989,159.42
  5. Step 5: Solve for x
    x = 969,271,989,159.42/1,496,669.40
  6. Step 6: Final answer
    x = 647,619.30

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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.