Home / 1,349,359.02-1,860,909.60-1,119,552.30

Finding the Fourth Proportional to 1,349,359.02, 1,860,909.60 and 1,119,552.30

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Solution

The fourth proportional to 1,349,359.02, 1,860,909.60 and 1,119,552.30 is: 1,543,981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,359.02 : 1,860,909.60 = 1,119,552.30 : x
  2. Step 2: Convert to fraction form
    1,349,359.02/1,860,909.60 = 1,119,552.30/x
  3. Step 3: Cross multiply
    1,349,359.02x = 1,860,909.60 × 1,119,552.30
  4. Step 4: Simplify right side
    1,349,359.02x = 2,083,385,622,772.08
  5. Step 5: Solve for x
    x = 2,083,385,622,772.08/1,349,359.02
  6. Step 6: Final answer
    x = 1,543,981.69

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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.