Home / 1,570,025.70-2,166,511.95-890,962.20

Finding the Fourth Proportional to 1,570,025.70, 2,166,511.95 and 890,962.20

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Solution

The fourth proportional to 1,570,025.70, 2,166,511.95 and 890,962.20 is: 1,229,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,025.70 : 2,166,511.95 = 890,962.20 : x
  2. Step 2: Convert to fraction form
    1,570,025.70/2,166,511.95 = 890,962.20/x
  3. Step 3: Cross multiply
    1,570,025.70x = 2,166,511.95 × 890,962.20
  4. Step 4: Simplify right side
    1,570,025.70x = 1,930,280,253,298.29
  5. Step 5: Solve for x
    x = 1,930,280,253,298.29/1,570,025.70
  6. Step 6: Final answer
    x = 1,229,457.74

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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.