Home / 1,457,065.90-2,185,598.85-459,793.90

Finding the Fourth Proportional to 1,457,065.90, 2,185,598.85 and 459,793.90

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Solution

The fourth proportional to 1,457,065.90, 2,185,598.85 and 459,793.90 is: 689,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,065.90 : 2,185,598.85 = 459,793.90 : x
  2. Step 2: Convert to fraction form
    1,457,065.90/2,185,598.85 = 459,793.90/x
  3. Step 3: Cross multiply
    1,457,065.90x = 2,185,598.85 × 459,793.90
  4. Step 4: Simplify right side
    1,457,065.90x = 1,004,925,019,077.02
  5. Step 5: Solve for x
    x = 1,004,925,019,077.02/1,457,065.90
  6. Step 6: Final answer
    x = 689,690.85

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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.