Home / 1,423,130.76-1,964,007.54-819,713.16

Finding the Fourth Proportional to 1,423,130.76, 1,964,007.54 and 819,713.16

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Solution

The fourth proportional to 1,423,130.76, 1,964,007.54 and 819,713.16 is: 1,131,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,130.76 : 1,964,007.54 = 819,713.16 : x
  2. Step 2: Convert to fraction form
    1,423,130.76/1,964,007.54 = 819,713.16/x
  3. Step 3: Cross multiply
    1,423,130.76x = 1,964,007.54 × 819,713.16
  4. Step 4: Simplify right side
    1,423,130.76x = 1,609,922,826,877.23
  5. Step 5: Solve for x
    x = 1,609,922,826,877.23/1,423,130.76
  6. Step 6: Final answer
    x = 1,131,254.32

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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.