Home / 1,283,703.31-1,925,957.81-771,957.46

Finding the Fourth Proportional to 1,283,703.31, 1,925,957.81 and 771,957.46

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Solution

The fourth proportional to 1,283,703.31, 1,925,957.81 and 771,957.46 is: 1,158,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,703.31 : 1,925,957.81 = 771,957.46 : x
  2. Step 2: Convert to fraction form
    1,283,703.31/1,925,957.81 = 771,957.46/x
  3. Step 3: Cross multiply
    1,283,703.31x = 1,925,957.81 × 771,957.46
  4. Step 4: Simplify right side
    1,283,703.31x = 1,486,757,499,074.76
  5. Step 5: Solve for x
    x = 1,486,757,499,074.76/1,283,703.31
  6. Step 6: Final answer
    x = 1,158,178.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.