Home / 1,490,585.72-2,235,830.82-626,478.34

Finding the Fourth Proportional to 1,490,585.72, 2,235,830.82 and 626,478.34

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Solution

The fourth proportional to 1,490,585.72, 2,235,830.82 and 626,478.34 is: 939,697.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,585.72 : 2,235,830.82 = 626,478.34 : x
  2. Step 2: Convert to fraction form
    1,490,585.72/2,235,830.82 = 626,478.34/x
  3. Step 3: Cross multiply
    1,490,585.72x = 2,235,830.82 × 626,478.34
  4. Step 4: Simplify right side
    1,490,585.72x = 1,400,699,580,634.44
  5. Step 5: Solve for x
    x = 1,400,699,580,634.44/1,490,585.72
  6. Step 6: Final answer
    x = 939,697.44

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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.