Home / 1,621,336.16-2,430,692.40-675,417.44

Finding the Fourth Proportional to 1,621,336.16, 2,430,692.40 and 675,417.44

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Solution

The fourth proportional to 1,621,336.16, 2,430,692.40 and 675,417.44 is: 1,012,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,336.16 : 2,430,692.40 = 675,417.44 : x
  2. Step 2: Convert to fraction form
    1,621,336.16/2,430,692.40 = 675,417.44/x
  3. Step 3: Cross multiply
    1,621,336.16x = 2,430,692.40 × 675,417.44
  4. Step 4: Simplify right side
    1,621,336.16x = 1,641,732,038,235.46
  5. Step 5: Solve for x
    x = 1,641,732,038,235.46/1,621,336.16
  6. Step 6: Final answer
    x = 1,012,579.67

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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.