Home / 1,118,735.68-1,676,702.40-881,140

Finding the Fourth Proportional to 1,118,735.68, 1,676,702.40 and 881,140

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Solution

The fourth proportional to 1,118,735.68, 1,676,702.40 and 881,140 is: 1,320,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,735.68 : 1,676,702.40 = 881,140 : x
  2. Step 2: Convert to fraction form
    1,118,735.68/1,676,702.40 = 881,140/x
  3. Step 3: Cross multiply
    1,118,735.68x = 1,676,702.40 × 881,140
  4. Step 4: Simplify right side
    1,118,735.68x = 1,477,409,552,736
  5. Step 5: Solve for x
    x = 1,477,409,552,736/1,118,735.68
  6. Step 6: Final answer
    x = 1,320,606.45

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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.