Home / 1,222,941.40-1,687,814.86-739,510.01

Finding the Fourth Proportional to 1,222,941.40, 1,687,814.86 and 739,510.01

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Solution

The fourth proportional to 1,222,941.40, 1,687,814.86 and 739,510.01 is: 1,020,617.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,941.40 : 1,687,814.86 = 739,510.01 : x
  2. Step 2: Convert to fraction form
    1,222,941.40/1,687,814.86 = 739,510.01/x
  3. Step 3: Cross multiply
    1,222,941.40x = 1,687,814.86 × 739,510.01
  4. Step 4: Simplify right side
    1,222,941.40x = 1,248,155,980,299.20
  5. Step 5: Solve for x
    x = 1,248,155,980,299.20/1,222,941.40
  6. Step 6: Final answer
    x = 1,020,617.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.