Home / 1,243,630.40-1,865,445.60-444,974.60

Finding the Fourth Proportional to 1,243,630.40, 1,865,445.60 and 444,974.60

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Solution

The fourth proportional to 1,243,630.40, 1,865,445.60 and 444,974.60 is: 667,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,630.40 : 1,865,445.60 = 444,974.60 : x
  2. Step 2: Convert to fraction form
    1,243,630.40/1,865,445.60 = 444,974.60/x
  3. Step 3: Cross multiply
    1,243,630.40x = 1,865,445.60 × 444,974.60
  4. Step 4: Simplify right side
    1,243,630.40x = 830,075,909,681.76
  5. Step 5: Solve for x
    x = 830,075,909,681.76/1,243,630.40
  6. Step 6: Final answer
    x = 667,461.90

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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.