Home / 1,087,313.01-1,500,404.13-628,457.30

Finding the Fourth Proportional to 1,087,313.01, 1,500,404.13 and 628,457.30

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Solution

The fourth proportional to 1,087,313.01, 1,500,404.13 and 628,457.30 is: 867,220.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,313.01 : 1,500,404.13 = 628,457.30 : x
  2. Step 2: Convert to fraction form
    1,087,313.01/1,500,404.13 = 628,457.30/x
  3. Step 3: Cross multiply
    1,087,313.01x = 1,500,404.13 × 628,457.30
  4. Step 4: Simplify right side
    1,087,313.01x = 942,939,920,946.63
  5. Step 5: Solve for x
    x = 942,939,920,946.63/1,087,313.01
  6. Step 6: Final answer
    x = 867,220.31

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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.