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Finding the Fourth Proportional to 1,756,362, 2,634,549.48 and 426,666

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Solution

The fourth proportional to 1,756,362, 2,634,549.48 and 426,666 is: 640,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756,362 : 2,634,549.48 = 426,666 : x
  2. Step 2: Convert to fraction form
    1,756,362/2,634,549.48 = 426,666/x
  3. Step 3: Cross multiply
    1,756,362x = 2,634,549.48 × 426,666
  4. Step 4: Simplify right side
    1,756,362x = 1,124,072,688,433.68
  5. Step 5: Solve for x
    x = 1,124,072,688,433.68/1,756,362
  6. Step 6: Final answer
    x = 640,000.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.