Home / 1,459,803.47-2,189,705.20-749,436.71

Finding the Fourth Proportional to 1,459,803.47, 2,189,705.20 and 749,436.71

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Solution

The fourth proportional to 1,459,803.47, 2,189,705.20 and 749,436.71 is: 1,124,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,803.47 : 2,189,705.20 = 749,436.71 : x
  2. Step 2: Convert to fraction form
    1,459,803.47/2,189,705.20 = 749,436.71/x
  3. Step 3: Cross multiply
    1,459,803.47x = 2,189,705.20 × 749,436.71
  4. Step 4: Simplify right side
    1,459,803.47x = 1,641,045,448,135.77
  5. Step 5: Solve for x
    x = 1,641,045,448,135.77/1,459,803.47
  6. Step 6: Final answer
    x = 1,124,155.06

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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.