Home / 1,415,555.60-2,123,320.20-573,907.28

Finding the Fourth Proportional to 1,415,555.60, 2,123,320.20 and 573,907.28

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Solution

The fourth proportional to 1,415,555.60, 2,123,320.20 and 573,907.28 is: 860,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,555.60 : 2,123,320.20 = 573,907.28 : x
  2. Step 2: Convert to fraction form
    1,415,555.60/2,123,320.20 = 573,907.28/x
  3. Step 3: Cross multiply
    1,415,555.60x = 2,123,320.20 × 573,907.28
  4. Step 4: Simplify right side
    1,415,555.60x = 1,218,588,920,551.06
  5. Step 5: Solve for x
    x = 1,218,588,920,551.06/1,415,555.60
  6. Step 6: Final answer
    x = 860,855.57

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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.