Home / 989,363.70-1,484,045.55-670,499.10

Finding the Fourth Proportional to 989,363.70, 1,484,045.55 and 670,499.10

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Solution

The fourth proportional to 989,363.70, 1,484,045.55 and 670,499.10 is: 1,005,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,363.70 : 1,484,045.55 = 670,499.10 : x
  2. Step 2: Convert to fraction form
    989,363.70/1,484,045.55 = 670,499.10/x
  3. Step 3: Cross multiply
    989,363.70x = 1,484,045.55 × 670,499.10
  4. Step 4: Simplify right side
    989,363.70x = 995,051,205,634.01
  5. Step 5: Solve for x
    x = 995,051,205,634.01/989,363.70
  6. Step 6: Final answer
    x = 1,005,748.65

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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.