Home / 1,423,637.16-1,964,604.60-811,889.52

Finding the Fourth Proportional to 1,423,637.16, 1,964,604.60 and 811,889.52

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Solution

The fourth proportional to 1,423,637.16, 1,964,604.60 and 811,889.52 is: 1,120,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,637.16 : 1,964,604.60 = 811,889.52 : x
  2. Step 2: Convert to fraction form
    1,423,637.16/1,964,604.60 = 811,889.52/x
  3. Step 3: Cross multiply
    1,423,637.16x = 1,964,604.60 × 811,889.52
  4. Step 4: Simplify right side
    1,423,637.16x = 1,595,041,885,683.79
  5. Step 5: Solve for x
    x = 1,595,041,885,683.79/1,423,637.16
  6. Step 6: Final answer
    x = 1,120,399.17

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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.