Home / 1,423,087.59-1,963,876.37-778,493.94

Finding the Fourth Proportional to 1,423,087.59, 1,963,876.37 and 778,493.94

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Solution

The fourth proportional to 1,423,087.59, 1,963,876.37 and 778,493.94 is: 1,074,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,087.59 : 1,963,876.37 = 778,493.94 : x
  2. Step 2: Convert to fraction form
    1,423,087.59/1,963,876.37 = 778,493.94/x
  3. Step 3: Cross multiply
    1,423,087.59x = 1,963,876.37 × 778,493.94
  4. Step 4: Simplify right side
    1,423,087.59x = 1,528,865,851,007.96
  5. Step 5: Solve for x
    x = 1,528,865,851,007.96/1,423,087.59
  6. Step 6: Final answer
    x = 1,074,330.12

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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.