Home / 974,415.80-1,461,623.70-638,492.60

Finding the Fourth Proportional to 974,415.80, 1,461,623.70 and 638,492.60

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Solution

The fourth proportional to 974,415.80, 1,461,623.70 and 638,492.60 is: 957,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,415.80 : 1,461,623.70 = 638,492.60 : x
  2. Step 2: Convert to fraction form
    974,415.80/1,461,623.70 = 638,492.60/x
  3. Step 3: Cross multiply
    974,415.80x = 1,461,623.70 × 638,492.60
  4. Step 4: Simplify right side
    974,415.80x = 933,235,916,434.62
  5. Step 5: Solve for x
    x = 933,235,916,434.62/974,415.80
  6. Step 6: Final answer
    x = 957,738.90

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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.