Home / 1,225,620.30-1,838,430.45-910,692.30

Finding the Fourth Proportional to 1,225,620.30, 1,838,430.45 and 910,692.30

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Solution

The fourth proportional to 1,225,620.30, 1,838,430.45 and 910,692.30 is: 1,366,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,620.30 : 1,838,430.45 = 910,692.30 : x
  2. Step 2: Convert to fraction form
    1,225,620.30/1,838,430.45 = 910,692.30/x
  3. Step 3: Cross multiply
    1,225,620.30x = 1,838,430.45 × 910,692.30
  4. Step 4: Simplify right side
    1,225,620.30x = 1,674,244,454,900.54
  5. Step 5: Solve for x
    x = 1,674,244,454,900.54/1,225,620.30
  6. Step 6: Final answer
    x = 1,366,038.45

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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.