Home / 1,187,060.48-1,637,190.40-1,043,516.16

Finding the Fourth Proportional to 1,187,060.48, 1,637,190.40 and 1,043,516.16

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Solution

The fourth proportional to 1,187,060.48, 1,637,190.40 and 1,043,516.16 is: 1,439,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,060.48 : 1,637,190.40 = 1,043,516.16 : x
  2. Step 2: Convert to fraction form
    1,187,060.48/1,637,190.40 = 1,043,516.16/x
  3. Step 3: Cross multiply
    1,187,060.48x = 1,637,190.40 × 1,043,516.16
  4. Step 4: Simplify right side
    1,187,060.48x = 1,708,434,639,396.86
  5. Step 5: Solve for x
    x = 1,708,434,639,396.86/1,187,060.48
  6. Step 6: Final answer
    x = 1,439,214.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.