Home / 1,262,527.48-1,742,287.93-689,569.02

Finding the Fourth Proportional to 1,262,527.48, 1,742,287.93 and 689,569.02

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Solution

The fourth proportional to 1,262,527.48, 1,742,287.93 and 689,569.02 is: 951,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,527.48 : 1,742,287.93 = 689,569.02 : x
  2. Step 2: Convert to fraction form
    1,262,527.48/1,742,287.93 = 689,569.02/x
  3. Step 3: Cross multiply
    1,262,527.48x = 1,742,287.93 × 689,569.02
  4. Step 4: Simplify right side
    1,262,527.48x = 1,201,427,780,447.93
  5. Step 5: Solve for x
    x = 1,201,427,780,447.93/1,262,527.48
  6. Step 6: Final answer
    x = 951,605.25

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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.