Home / 1,010,048.21-1,515,312.88-378,967.49

Finding the Fourth Proportional to 1,010,048.21, 1,515,312.88 and 378,967.49

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Solution

The fourth proportional to 1,010,048.21, 1,515,312.88 and 378,967.49 is: 568,541.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,048.21 : 1,515,312.88 = 378,967.49 : x
  2. Step 2: Convert to fraction form
    1,010,048.21/1,515,312.88 = 378,967.49/x
  3. Step 3: Cross multiply
    1,010,048.21x = 1,515,312.88 × 378,967.49
  4. Step 4: Simplify right side
    1,010,048.21x = 574,254,310,174.29
  5. Step 5: Solve for x
    x = 574,254,310,174.29/1,010,048.21
  6. Step 6: Final answer
    x = 568,541.49

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1.5x scale

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.