Home / 1,666,408.09-2,299,638.23-902,461.45

Finding the Fourth Proportional to 1,666,408.09, 2,299,638.23 and 902,461.45

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Solution

The fourth proportional to 1,666,408.09, 2,299,638.23 and 902,461.45 is: 1,245,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,408.09 : 2,299,638.23 = 902,461.45 : x
  2. Step 2: Convert to fraction form
    1,666,408.09/2,299,638.23 = 902,461.45/x
  3. Step 3: Cross multiply
    1,666,408.09x = 2,299,638.23 × 902,461.45
  4. Step 4: Simplify right side
    1,666,408.09x = 2,075,334,840,023.04
  5. Step 5: Solve for x
    x = 2,075,334,840,023.04/1,666,408.09
  6. Step 6: Final answer
    x = 1,245,394.13

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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.