Home / 1,402,737.48-1,935,738.81-790,884.81

Finding the Fourth Proportional to 1,402,737.48, 1,935,738.81 and 790,884.81

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Solution

The fourth proportional to 1,402,737.48, 1,935,738.81 and 790,884.81 is: 1,091,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,737.48 : 1,935,738.81 = 790,884.81 : x
  2. Step 2: Convert to fraction form
    1,402,737.48/1,935,738.81 = 790,884.81/x
  3. Step 3: Cross multiply
    1,402,737.48x = 1,935,738.81 × 790,884.81
  4. Step 4: Simplify right side
    1,402,737.48x = 1,530,946,420,956.48
  5. Step 5: Solve for x
    x = 1,530,946,420,956.48/1,402,737.48
  6. Step 6: Final answer
    x = 1,091,399.10

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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.