Home / 1,754,692.96-2,421,389.60-980,170.16

Finding the Fourth Proportional to 1,754,692.96, 2,421,389.60 and 980,170.16

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Solution

The fourth proportional to 1,754,692.96, 2,421,389.60 and 980,170.16 is: 1,352,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,692.96 : 2,421,389.60 = 980,170.16 : x
  2. Step 2: Convert to fraction form
    1,754,692.96/2,421,389.60 = 980,170.16/x
  3. Step 3: Cross multiply
    1,754,692.96x = 2,421,389.60 × 980,170.16
  4. Step 4: Simplify right side
    1,754,692.96x = 2,373,373,831,654.34
  5. Step 5: Solve for x
    x = 2,373,373,831,654.34/1,754,692.96
  6. Step 6: Final answer
    x = 1,352,586.40

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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.