Home / 1,207,427.04-1,666,281.36-663,578.40

Finding the Fourth Proportional to 1,207,427.04, 1,666,281.36 and 663,578.40

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Solution

The fourth proportional to 1,207,427.04, 1,666,281.36 and 663,578.40 is: 915,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,427.04 : 1,666,281.36 = 663,578.40 : x
  2. Step 2: Convert to fraction form
    1,207,427.04/1,666,281.36 = 663,578.40/x
  3. Step 3: Cross multiply
    1,207,427.04x = 1,666,281.36 × 663,578.40
  4. Step 4: Simplify right side
    1,207,427.04x = 1,105,708,318,818.62
  5. Step 5: Solve for x
    x = 1,105,708,318,818.62/1,207,427.04
  6. Step 6: Final answer
    x = 915,755.80

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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.