Home / 1,689,316.16-2,331,293.93-964,149.29

Finding the Fourth Proportional to 1,689,316.16, 2,331,293.93 and 964,149.29

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Solution

The fourth proportional to 1,689,316.16, 2,331,293.93 and 964,149.29 is: 1,330,547.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,316.16 : 2,331,293.93 = 964,149.29 : x
  2. Step 2: Convert to fraction form
    1,689,316.16/2,331,293.93 = 964,149.29/x
  3. Step 3: Cross multiply
    1,689,316.16x = 2,331,293.93 × 964,149.29
  4. Step 4: Simplify right side
    1,689,316.16x = 2,247,715,378,144.71
  5. Step 5: Solve for x
    x = 2,247,715,378,144.71/1,689,316.16
  6. Step 6: Final answer
    x = 1,330,547.49

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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.