Home / 1,261,225.95-1,740,528.77-688,302.96

Finding the Fourth Proportional to 1,261,225.95, 1,740,528.77 and 688,302.96

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Solution

The fourth proportional to 1,261,225.95, 1,740,528.77 and 688,302.96 is: 949,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,225.95 : 1,740,528.77 = 688,302.96 : x
  2. Step 2: Convert to fraction form
    1,261,225.95/1,740,528.77 = 688,302.96/x
  3. Step 3: Cross multiply
    1,261,225.95x = 1,740,528.77 × 688,302.96
  4. Step 4: Simplify right side
    1,261,225.95x = 1,198,011,104,356.16
  5. Step 5: Solve for x
    x = 1,198,011,104,356.16/1,261,225.95
  6. Step 6: Final answer
    x = 949,878.25

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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.