Home / 1,010,208.10-1,515,312.15-262,254.10

Finding the Fourth Proportional to 1,010,208.10, 1,515,312.15 and 262,254.10

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Solution

The fourth proportional to 1,010,208.10, 1,515,312.15 and 262,254.10 is: 393,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,208.10 : 1,515,312.15 = 262,254.10 : x
  2. Step 2: Convert to fraction form
    1,010,208.10/1,515,312.15 = 262,254.10/x
  3. Step 3: Cross multiply
    1,010,208.10x = 1,515,312.15 × 262,254.10
  4. Step 4: Simplify right side
    1,010,208.10x = 397,396,824,117.32
  5. Step 5: Solve for x
    x = 397,396,824,117.32/1,010,208.10
  6. Step 6: Final answer
    x = 393,381.15

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Double scale
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Similar ratio
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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.