Home / 2,875,286.40-4,312,929.60-745,353.60

Finding the Fourth Proportional to 2,875,286.40, 4,312,929.60 and 745,353.60

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Solution

The fourth proportional to 2,875,286.40, 4,312,929.60 and 745,353.60 is: 1,118,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875,286.40 : 4,312,929.60 = 745,353.60 : x
  2. Step 2: Convert to fraction form
    2,875,286.40/4,312,929.60 = 745,353.60/x
  3. Step 3: Cross multiply
    2,875,286.40x = 4,312,929.60 × 745,353.60
  4. Step 4: Simplify right side
    2,875,286.40x = 3,214,657,603,906.56
  5. Step 5: Solve for x
    x = 3,214,657,603,906.56/2,875,286.40
  6. Step 6: Final answer
    x = 1,118,030.40

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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.