Home / 1,479,000.61-2,212,663.74-1,120,205.05

Finding the Fourth Proportional to 1,479,000.61, 2,212,663.74 and 1,120,205.05

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Solution

The fourth proportional to 1,479,000.61, 2,212,663.74 and 1,120,205.05 is: 1,675,886.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,000.61 : 2,212,663.74 = 1,120,205.05 : x
  2. Step 2: Convert to fraction form
    1,479,000.61/2,212,663.74 = 1,120,205.05/x
  3. Step 3: Cross multiply
    1,479,000.61x = 2,212,663.74 × 1,120,205.05
  4. Step 4: Simplify right side
    1,479,000.61x = 2,478,637,095,499.89
  5. Step 5: Solve for x
    x = 2,478,637,095,499.89/1,479,000.61
  6. Step 6: Final answer
    x = 1,675,886.46

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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.