Home / 1,310,486.51-1,966,010.40-742,136.24

Finding the Fourth Proportional to 1,310,486.51, 1,966,010.40 and 742,136.24

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Solution

The fourth proportional to 1,310,486.51, 1,966,010.40 and 742,136.24 is: 1,113,363.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,486.51 : 1,966,010.40 = 742,136.24 : x
  2. Step 2: Convert to fraction form
    1,310,486.51/1,966,010.40 = 742,136.24/x
  3. Step 3: Cross multiply
    1,310,486.51x = 1,966,010.40 × 742,136.24
  4. Step 4: Simplify right side
    1,310,486.51x = 1,459,047,556,226.84
  5. Step 5: Solve for x
    x = 1,459,047,556,226.84/1,310,486.51
  6. Step 6: Final answer
    x = 1,113,363.28

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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.