Home / 1,132,457.50-1,562,817.34-642,459.81

Finding the Fourth Proportional to 1,132,457.50, 1,562,817.34 and 642,459.81

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Solution

The fourth proportional to 1,132,457.50, 1,562,817.34 and 642,459.81 is: 886,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,457.50 : 1,562,817.34 = 642,459.81 : x
  2. Step 2: Convert to fraction form
    1,132,457.50/1,562,817.34 = 642,459.81/x
  3. Step 3: Cross multiply
    1,132,457.50x = 1,562,817.34 × 642,459.81
  4. Step 4: Simplify right side
    1,132,457.50x = 1,004,047,328,108.81
  5. Step 5: Solve for x
    x = 1,004,047,328,108.81/1,132,457.50
  6. Step 6: Final answer
    x = 886,609.28

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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.