Home / 1,262,271.77-1,742,084.52-711,005.62

Finding the Fourth Proportional to 1,262,271.77, 1,742,084.52 and 711,005.62

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Solution

The fourth proportional to 1,262,271.77, 1,742,084.52 and 711,005.62 is: 981,271.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,271.77 : 1,742,084.52 = 711,005.62 : x
  2. Step 2: Convert to fraction form
    1,262,271.77/1,742,084.52 = 711,005.62/x
  3. Step 3: Cross multiply
    1,262,271.77x = 1,742,084.52 × 711,005.62
  4. Step 4: Simplify right side
    1,262,271.77x = 1,238,631,884,235.00
  5. Step 5: Solve for x
    x = 1,238,631,884,235.00/1,262,271.77
  6. Step 6: Final answer
    x = 981,271.95

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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.