Home / 1,280,056.80-1,766,444.16-707,084.64

Finding the Fourth Proportional to 1,280,056.80, 1,766,444.16 and 707,084.64

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Solution

The fourth proportional to 1,280,056.80, 1,766,444.16 and 707,084.64 is: 975,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,056.80 : 1,766,444.16 = 707,084.64 : x
  2. Step 2: Convert to fraction form
    1,280,056.80/1,766,444.16 = 707,084.64/x
  3. Step 3: Cross multiply
    1,280,056.80x = 1,766,444.16 × 707,084.64
  4. Step 4: Simplify right side
    1,280,056.80x = 1,249,025,532,953.70
  5. Step 5: Solve for x
    x = 1,249,025,532,953.70/1,280,056.80
  6. Step 6: Final answer
    x = 975,757.90

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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.