Home / 727,870.60-1,091,805.90-695,211.40

Finding the Fourth Proportional to 727,870.60, 1,091,805.90 and 695,211.40

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Solution

The fourth proportional to 727,870.60, 1,091,805.90 and 695,211.40 is: 1,042,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,870.60 : 1,091,805.90 = 695,211.40 : x
  2. Step 2: Convert to fraction form
    727,870.60/1,091,805.90 = 695,211.40/x
  3. Step 3: Cross multiply
    727,870.60x = 1,091,805.90 × 695,211.40
  4. Step 4: Simplify right side
    727,870.60x = 759,035,908,267.26
  5. Step 5: Solve for x
    x = 759,035,908,267.26/727,870.60
  6. Step 6: Final answer
    x = 1,042,817.10

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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.