Home / 1,314,631.02-1,972,509.48-416,145.90

Finding the Fourth Proportional to 1,314,631.02, 1,972,509.48 and 416,145.90

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Solution

The fourth proportional to 1,314,631.02, 1,972,509.48 and 416,145.90 is: 624,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,631.02 : 1,972,509.48 = 416,145.90 : x
  2. Step 2: Convert to fraction form
    1,314,631.02/1,972,509.48 = 416,145.90/x
  3. Step 3: Cross multiply
    1,314,631.02x = 1,972,509.48 × 416,145.90
  4. Step 4: Simplify right side
    1,314,631.02x = 820,851,732,813.13
  5. Step 5: Solve for x
    x = 820,851,732,813.13/1,314,631.02
  6. Step 6: Final answer
    x = 624,397.05

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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.