Home / 1,919,073.60-2,878,610.40-974,289.60

Finding the Fourth Proportional to 1,919,073.60, 2,878,610.40 and 974,289.60

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Solution

The fourth proportional to 1,919,073.60, 2,878,610.40 and 974,289.60 is: 1,461,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,073.60 : 2,878,610.40 = 974,289.60 : x
  2. Step 2: Convert to fraction form
    1,919,073.60/2,878,610.40 = 974,289.60/x
  3. Step 3: Cross multiply
    1,919,073.60x = 2,878,610.40 × 974,289.60
  4. Step 4: Simplify right side
    1,919,073.60x = 2,804,600,175,171.84
  5. Step 5: Solve for x
    x = 2,804,600,175,171.84/1,919,073.60
  6. Step 6: Final answer
    x = 1,461,434.40

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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.