Home / 1,738,690.65-2,607,740.72-459,312.05

Finding the Fourth Proportional to 1,738,690.65, 2,607,740.72 and 459,312.05

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Solution

The fourth proportional to 1,738,690.65, 2,607,740.72 and 459,312.05 is: 688,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,690.65 : 2,607,740.72 = 459,312.05 : x
  2. Step 2: Convert to fraction form
    1,738,690.65/2,607,740.72 = 459,312.05/x
  3. Step 3: Cross multiply
    1,738,690.65x = 2,607,740.72 × 459,312.05
  4. Step 4: Simplify right side
    1,738,690.65x = 1,197,766,720,636.41
  5. Step 5: Solve for x
    x = 1,197,766,720,636.41/1,738,690.65
  6. Step 6: Final answer
    x = 688,890.07

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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.