Home / 1,310,483.51-1,966,005.90-742,133.24

Finding the Fourth Proportional to 1,310,483.51, 1,966,005.90 and 742,133.24

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Solution

The fourth proportional to 1,310,483.51, 1,966,005.90 and 742,133.24 is: 1,113,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,483.51 : 1,966,005.90 = 742,133.24 : x
  2. Step 2: Convert to fraction form
    1,310,483.51/1,966,005.90 = 742,133.24/x
  3. Step 3: Cross multiply
    1,310,483.51x = 1,966,005.90 × 742,133.24
  4. Step 4: Simplify right side
    1,310,483.51x = 1,459,038,318,596.09
  5. Step 5: Solve for x
    x = 1,459,038,318,596.09/1,310,483.51
  6. Step 6: Final answer
    x = 1,113,358.78

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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.