Home / 1,046,461.60-1,569,692.40-745,311.70

Finding the Fourth Proportional to 1,046,461.60, 1,569,692.40 and 745,311.70

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Solution

The fourth proportional to 1,046,461.60, 1,569,692.40 and 745,311.70 is: 1,117,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,461.60 : 1,569,692.40 = 745,311.70 : x
  2. Step 2: Convert to fraction form
    1,046,461.60/1,569,692.40 = 745,311.70/x
  3. Step 3: Cross multiply
    1,046,461.60x = 1,569,692.40 × 745,311.70
  4. Step 4: Simplify right side
    1,046,461.60x = 1,169,910,111,121.08
  5. Step 5: Solve for x
    x = 1,169,910,111,121.08/1,046,461.60
  6. Step 6: Final answer
    x = 1,117,967.55

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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.