Home / 1,152,835.05-1,729,315.65-478,984.50

Finding the Fourth Proportional to 1,152,835.05, 1,729,315.65 and 478,984.50

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Solution

The fourth proportional to 1,152,835.05, 1,729,315.65 and 478,984.50 is: 718,502.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,835.05 : 1,729,315.65 = 478,984.50 : x
  2. Step 2: Convert to fraction form
    1,152,835.05/1,729,315.65 = 478,984.50/x
  3. Step 3: Cross multiply
    1,152,835.05x = 1,729,315.65 × 478,984.50
  4. Step 4: Simplify right side
    1,152,835.05x = 828,315,391,957.43
  5. Step 5: Solve for x
    x = 828,315,391,957.43/1,152,835.05
  6. Step 6: Final answer
    x = 718,502.96

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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.