Home / 1,086,703.60-1,630,274.10-910,431.40

Finding the Fourth Proportional to 1,086,703.60, 1,630,274.10 and 910,431.40

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Solution

The fourth proportional to 1,086,703.60, 1,630,274.10 and 910,431.40 is: 1,365,830.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,703.60 : 1,630,274.10 = 910,431.40 : x
  2. Step 2: Convert to fraction form
    1,086,703.60/1,630,274.10 = 910,431.40/x
  3. Step 3: Cross multiply
    1,086,703.60x = 1,630,274.10 × 910,431.40
  4. Step 4: Simplify right side
    1,086,703.60x = 1,484,252,731,246.74
  5. Step 5: Solve for x
    x = 1,484,252,731,246.74/1,086,703.60
  6. Step 6: Final answer
    x = 1,365,830.33

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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.