Home / 1,436,738-2,155,117.80-637,804.76

Finding the Fourth Proportional to 1,436,738, 2,155,117.80 and 637,804.76

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Solution

The fourth proportional to 1,436,738, 2,155,117.80 and 637,804.76 is: 956,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,738 : 2,155,117.80 = 637,804.76 : x
  2. Step 2: Convert to fraction form
    1,436,738/2,155,117.80 = 637,804.76/x
  3. Step 3: Cross multiply
    1,436,738x = 2,155,117.80 × 637,804.76
  4. Step 4: Simplify right side
    1,436,738x = 1,374,544,391,200.73
  5. Step 5: Solve for x
    x = 1,374,544,391,200.73/1,436,738
  6. Step 6: Final answer
    x = 956,711.93

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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.