Home / 1,330,692.60-1,996,038.90-489,070.20

Finding the Fourth Proportional to 1,330,692.60, 1,996,038.90 and 489,070.20

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Solution

The fourth proportional to 1,330,692.60, 1,996,038.90 and 489,070.20 is: 733,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,692.60 : 1,996,038.90 = 489,070.20 : x
  2. Step 2: Convert to fraction form
    1,330,692.60/1,996,038.90 = 489,070.20/x
  3. Step 3: Cross multiply
    1,330,692.60x = 1,996,038.90 × 489,070.20
  4. Step 4: Simplify right side
    1,330,692.60x = 976,203,144,030.78
  5. Step 5: Solve for x
    x = 976,203,144,030.78/1,330,692.60
  6. Step 6: Final answer
    x = 733,605.30

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Double scale
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Similar ratio
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1.5x scale

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.