Home / 1,283,376.60-1,926,957.30-715,866.50

Finding the Fourth Proportional to 1,283,376.60, 1,926,957.30 and 715,866.50

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Solution

The fourth proportional to 1,283,376.60, 1,926,957.30 and 715,866.50 is: 1,074,855.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,376.60 : 1,926,957.30 = 715,866.50 : x
  2. Step 2: Convert to fraction form
    1,283,376.60/1,926,957.30 = 715,866.50/x
  3. Step 3: Cross multiply
    1,283,376.60x = 1,926,957.30 × 715,866.50
  4. Step 4: Simplify right side
    1,283,376.60x = 1,379,444,178,000.45
  5. Step 5: Solve for x
    x = 1,379,444,178,000.45/1,283,376.60
  6. Step 6: Final answer
    x = 1,074,855.33

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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.