Home / 1,630,202.72-2,249,635.93-977,197.60

Finding the Fourth Proportional to 1,630,202.72, 2,249,635.93 and 977,197.60

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Solution

The fourth proportional to 1,630,202.72, 2,249,635.93 and 977,197.60 is: 1,348,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,202.72 : 2,249,635.93 = 977,197.60 : x
  2. Step 2: Convert to fraction form
    1,630,202.72/2,249,635.93 = 977,197.60/x
  3. Step 3: Cross multiply
    1,630,202.72x = 2,249,635.93 × 977,197.60
  4. Step 4: Simplify right side
    1,630,202.72x = 2,198,338,820,421.59
  5. Step 5: Solve for x
    x = 2,198,338,820,421.59/1,630,202.72
  6. Step 6: Final answer
    x = 1,348,506.41

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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.