Home / 1,445,319-2,178,136.56-1,301,400.90

Finding the Fourth Proportional to 1,445,319, 2,178,136.56 and 1,301,400.90

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Solution

The fourth proportional to 1,445,319, 2,178,136.56 and 1,301,400.90 is: 1,961,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,319 : 2,178,136.56 = 1,301,400.90 : x
  2. Step 2: Convert to fraction form
    1,445,319/2,178,136.56 = 1,301,400.90/x
  3. Step 3: Cross multiply
    1,445,319x = 2,178,136.56 × 1,301,400.90
  4. Step 4: Simplify right side
    1,445,319x = 2,834,628,879,506.90
  5. Step 5: Solve for x
    x = 2,834,628,879,506.90/1,445,319
  6. Step 6: Final answer
    x = 1,961,247.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.