Home / 1,359,089.42-2,037,360.89-459,901.64

Finding the Fourth Proportional to 1,359,089.42, 2,037,360.89 and 459,901.64

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Solution

The fourth proportional to 1,359,089.42, 2,037,360.89 and 459,901.64 is: 689,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,089.42 : 2,037,360.89 = 459,901.64 : x
  2. Step 2: Convert to fraction form
    1,359,089.42/2,037,360.89 = 459,901.64/x
  3. Step 3: Cross multiply
    1,359,089.42x = 2,037,360.89 × 459,901.64
  4. Step 4: Simplify right side
    1,359,089.42x = 936,985,612,283.35
  5. Step 5: Solve for x
    x = 936,985,612,283.35/1,359,089.42
  6. Step 6: Final answer
    x = 689,421.61

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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.