Home / 1,108,836.10-1,663,254.15-478,461.70

Finding the Fourth Proportional to 1,108,836.10, 1,663,254.15 and 478,461.70

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Solution

The fourth proportional to 1,108,836.10, 1,663,254.15 and 478,461.70 is: 717,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,836.10 : 1,663,254.15 = 478,461.70 : x
  2. Step 2: Convert to fraction form
    1,108,836.10/1,663,254.15 = 478,461.70/x
  3. Step 3: Cross multiply
    1,108,836.10x = 1,663,254.15 × 478,461.70
  4. Step 4: Simplify right side
    1,108,836.10x = 795,803,408,141.06
  5. Step 5: Solve for x
    x = 795,803,408,141.06/1,108,836.10
  6. Step 6: Final answer
    x = 717,692.55

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Double scale
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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.