Home / 1,298,529.30-1,946,469.15-877,847.70

Finding the Fourth Proportional to 1,298,529.30, 1,946,469.15 and 877,847.70

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Solution

The fourth proportional to 1,298,529.30, 1,946,469.15 and 877,847.70 is: 1,315,875.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,529.30 : 1,946,469.15 = 877,847.70 : x
  2. Step 2: Convert to fraction form
    1,298,529.30/1,946,469.15 = 877,847.70/x
  3. Step 3: Cross multiply
    1,298,529.30x = 1,946,469.15 × 877,847.70
  4. Step 4: Simplify right side
    1,298,529.30x = 1,708,703,466,448.45
  5. Step 5: Solve for x
    x = 1,708,703,466,448.45/1,298,529.30
  6. Step 6: Final answer
    x = 1,315,875.94

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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.