Home / 1,087,136.78-1,630,147.32-575,078.31

Finding the Fourth Proportional to 1,087,136.78, 1,630,147.32 and 575,078.31

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Solution

The fourth proportional to 1,087,136.78, 1,630,147.32 and 575,078.31 is: 862,322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,136.78 : 1,630,147.32 = 575,078.31 : x
  2. Step 2: Convert to fraction form
    1,087,136.78/1,630,147.32 = 575,078.31/x
  3. Step 3: Cross multiply
    1,087,136.78x = 1,630,147.32 × 575,078.31
  4. Step 4: Simplify right side
    1,087,136.78x = 937,462,365,836.63
  5. Step 5: Solve for x
    x = 937,462,365,836.63/1,087,136.78
  6. Step 6: Final answer
    x = 862,322.38

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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.