Home / 1,507,590.60-2,261,472.06-428,018.76

Finding the Fourth Proportional to 1,507,590.60, 2,261,472.06 and 428,018.76

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Solution

The fourth proportional to 1,507,590.60, 2,261,472.06 and 428,018.76 is: 642,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,590.60 : 2,261,472.06 = 428,018.76 : x
  2. Step 2: Convert to fraction form
    1,507,590.60/2,261,472.06 = 428,018.76/x
  3. Step 3: Cross multiply
    1,507,590.60x = 2,261,472.06 × 428,018.76
  4. Step 4: Simplify right side
    1,507,590.60x = 967,952,466,895.85
  5. Step 5: Solve for x
    x = 967,952,466,895.85/1,507,590.60
  6. Step 6: Final answer
    x = 642,052.60

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1.5x scale

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.