Home / 1,405,916.70-2,108,875.05-1,029,903.90

Finding the Fourth Proportional to 1,405,916.70, 2,108,875.05 and 1,029,903.90

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Solution

The fourth proportional to 1,405,916.70, 2,108,875.05 and 1,029,903.90 is: 1,544,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,916.70 : 2,108,875.05 = 1,029,903.90 : x
  2. Step 2: Convert to fraction form
    1,405,916.70/2,108,875.05 = 1,029,903.90/x
  3. Step 3: Cross multiply
    1,405,916.70x = 2,108,875.05 × 1,029,903.90
  4. Step 4: Simplify right side
    1,405,916.70x = 2,171,938,638,607.69
  5. Step 5: Solve for x
    x = 2,171,938,638,607.69/1,405,916.70
  6. Step 6: Final answer
    x = 1,544,855.85

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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.