Home / 1,790,263.96-2,470,629.47-974,428.23

Finding the Fourth Proportional to 1,790,263.96, 2,470,629.47 and 974,428.23

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Solution

The fourth proportional to 1,790,263.96, 2,470,629.47 and 974,428.23 is: 1,344,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,263.96 : 2,470,629.47 = 974,428.23 : x
  2. Step 2: Convert to fraction form
    1,790,263.96/2,470,629.47 = 974,428.23/x
  3. Step 3: Cross multiply
    1,790,263.96x = 2,470,629.47 × 974,428.23
  4. Step 4: Simplify right side
    1,790,263.96x = 2,407,451,101,437.94
  5. Step 5: Solve for x
    x = 2,407,451,101,437.94/1,790,263.96
  6. Step 6: Final answer
    x = 1,344,746.45

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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.