Home / 1,262,980.48-1,742,938.14-690,056.14

Finding the Fourth Proportional to 1,262,980.48, 1,742,938.14 and 690,056.14

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Solution

The fourth proportional to 1,262,980.48, 1,742,938.14 and 690,056.14 is: 952,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,980.48 : 1,742,938.14 = 690,056.14 : x
  2. Step 2: Convert to fraction form
    1,262,980.48/1,742,938.14 = 690,056.14/x
  3. Step 3: Cross multiply
    1,262,980.48x = 1,742,938.14 × 690,056.14
  4. Step 4: Simplify right side
    1,262,980.48x = 1,202,725,165,147.18
  5. Step 5: Solve for x
    x = 1,202,725,165,147.18/1,262,980.48
  6. Step 6: Final answer
    x = 952,291.17

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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.