Home / 1,207,567.47-1,666,446.60-663,758.98

Finding the Fourth Proportional to 1,207,567.47, 1,666,446.60 and 663,758.98

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Solution

The fourth proportional to 1,207,567.47, 1,666,446.60 and 663,758.98 is: 915,989.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,567.47 : 1,666,446.60 = 663,758.98 : x
  2. Step 2: Convert to fraction form
    1,207,567.47/1,666,446.60 = 663,758.98/x
  3. Step 3: Cross multiply
    1,207,567.47x = 1,666,446.60 × 663,758.98
  4. Step 4: Simplify right side
    1,207,567.47x = 1,106,118,895,440.47
  5. Step 5: Solve for x
    x = 1,106,118,895,440.47/1,207,567.47
  6. Step 6: Final answer
    x = 915,989.31

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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.