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Finding the Fourth Proportional to 1,010,581.08, 1,515,871.70 and 300,619.32

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Solution

The fourth proportional to 1,010,581.08, 1,515,871.70 and 300,619.32 is: 450,929.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,581.08 : 1,515,871.70 = 300,619.32 : x
  2. Step 2: Convert to fraction form
    1,010,581.08/1,515,871.70 = 300,619.32/x
  3. Step 3: Cross multiply
    1,010,581.08x = 1,515,871.70 × 300,619.32
  4. Step 4: Simplify right side
    1,010,581.08x = 455,700,319,661.24
  5. Step 5: Solve for x
    x = 455,700,319,661.24/1,010,581.08
  6. Step 6: Final answer
    x = 450,929.00

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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.