Home / 1,316,606.12-1,974,348.41-517,326.98

Finding the Fourth Proportional to 1,316,606.12, 1,974,348.41 and 517,326.98

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Solution

The fourth proportional to 1,316,606.12, 1,974,348.41 and 517,326.98 is: 775,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,606.12 : 1,974,348.41 = 517,326.98 : x
  2. Step 2: Convert to fraction form
    1,316,606.12/1,974,348.41 = 517,326.98/x
  3. Step 3: Cross multiply
    1,316,606.12x = 1,974,348.41 × 517,326.98
  4. Step 4: Simplify right side
    1,316,606.12x = 1,021,383,702,762.34
  5. Step 5: Solve for x
    x = 1,021,383,702,762.34/1,316,606.12
  6. Step 6: Final answer
    x = 775,770.13

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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.