Home / 1,086,609.60-1,630,133.10-910,337.40

Finding the Fourth Proportional to 1,086,609.60, 1,630,133.10 and 910,337.40

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Solution

The fourth proportional to 1,086,609.60, 1,630,133.10 and 910,337.40 is: 1,365,689.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,609.60 : 1,630,133.10 = 910,337.40 : x
  2. Step 2: Convert to fraction form
    1,086,609.60/1,630,133.10 = 910,337.40/x
  3. Step 3: Cross multiply
    1,086,609.60x = 1,630,133.10 × 910,337.40
  4. Step 4: Simplify right side
    1,086,609.60x = 1,483,971,127,907.94
  5. Step 5: Solve for x
    x = 1,483,971,127,907.94/1,086,609.60
  6. Step 6: Final answer
    x = 1,365,689.32

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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.