Home / 1,262,980.48-1,742,938.16-690,056.16

Finding the Fourth Proportional to 1,262,980.48, 1,742,938.16 and 690,056.16

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Solution

The fourth proportional to 1,262,980.48, 1,742,938.16 and 690,056.16 is: 952,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,980.48 : 1,742,938.16 = 690,056.16 : x
  2. Step 2: Convert to fraction form
    1,262,980.48/1,742,938.16 = 690,056.16/x
  3. Step 3: Cross multiply
    1,262,980.48x = 1,742,938.16 × 690,056.16
  4. Step 4: Simplify right side
    1,262,980.48x = 1,202,725,213,807.07
  5. Step 5: Solve for x
    x = 1,202,725,213,807.07/1,262,980.48
  6. Step 6: Final answer
    x = 952,291.21

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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.