Home / 1,309,312.40-1,806,639.93-736,318.40

Finding the Fourth Proportional to 1,309,312.40, 1,806,639.93 and 736,318.40

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Solution

The fourth proportional to 1,309,312.40, 1,806,639.93 and 736,318.40 is: 1,016,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,312.40 : 1,806,639.93 = 736,318.40 : x
  2. Step 2: Convert to fraction form
    1,309,312.40/1,806,639.93 = 736,318.40/x
  3. Step 3: Cross multiply
    1,309,312.40x = 1,806,639.93 × 736,318.40
  4. Step 4: Simplify right side
    1,309,312.40x = 1,330,262,222,633.71
  5. Step 5: Solve for x
    x = 1,330,262,222,633.71/1,309,312.40
  6. Step 6: Final answer
    x = 1,016,000.63

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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.