Home / 1,311,084-1,809,547.22-738,124.22

Finding the Fourth Proportional to 1,311,084, 1,809,547.22 and 738,124.22

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Solution

The fourth proportional to 1,311,084, 1,809,547.22 and 738,124.22 is: 1,018,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,084 : 1,809,547.22 = 738,124.22 : x
  2. Step 2: Convert to fraction form
    1,311,084/1,809,547.22 = 738,124.22/x
  3. Step 3: Cross multiply
    1,311,084x = 1,809,547.22 × 738,124.22
  4. Step 4: Simplify right side
    1,311,084x = 1,335,670,630,315.67
  5. Step 5: Solve for x
    x = 1,335,670,630,315.67/1,311,084
  6. Step 6: Final answer
    x = 1,018,752.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.