Home / 1,010,580.08-1,515,870.20-300,618.32

Finding the Fourth Proportional to 1,010,580.08, 1,515,870.20 and 300,618.32

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Solution

The fourth proportional to 1,010,580.08, 1,515,870.20 and 300,618.32 is: 450,927.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,580.08 : 1,515,870.20 = 300,618.32 : x
  2. Step 2: Convert to fraction form
    1,010,580.08/1,515,870.20 = 300,618.32/x
  3. Step 3: Cross multiply
    1,010,580.08x = 1,515,870.20 × 300,618.32
  4. Step 4: Simplify right side
    1,010,580.08x = 455,698,352,862.06
  5. Step 5: Solve for x
    x = 455,698,352,862.06/1,010,580.08
  6. Step 6: Final answer
    x = 450,927.50

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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.