Home / 1,107,300.23-1,528,078.84-623,872.39

Finding the Fourth Proportional to 1,107,300.23, 1,528,078.84 and 623,872.39

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Solution

The fourth proportional to 1,107,300.23, 1,528,078.84 and 623,872.39 is: 860,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,300.23 : 1,528,078.84 = 623,872.39 : x
  2. Step 2: Convert to fraction form
    1,107,300.23/1,528,078.84 = 623,872.39/x
  3. Step 3: Cross multiply
    1,107,300.23x = 1,528,078.84 × 623,872.39
  4. Step 4: Simplify right side
    1,107,300.23x = 953,326,187,259.47
  5. Step 5: Solve for x
    x = 953,326,187,259.47/1,107,300.23
  6. Step 6: Final answer
    x = 860,946.44

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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.