Home / 1,558,483.81-2,150,686.63-870,166.26

Finding the Fourth Proportional to 1,558,483.81, 2,150,686.63 and 870,166.26

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Solution

The fourth proportional to 1,558,483.81, 2,150,686.63 and 870,166.26 is: 1,200,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,483.81 : 2,150,686.63 = 870,166.26 : x
  2. Step 2: Convert to fraction form
    1,558,483.81/2,150,686.63 = 870,166.26/x
  3. Step 3: Cross multiply
    1,558,483.81x = 2,150,686.63 × 870,166.26
  4. Step 4: Simplify right side
    1,558,483.81x = 1,871,454,939,083.69
  5. Step 5: Solve for x
    x = 1,871,454,939,083.69/1,558,483.81
  6. Step 6: Final answer
    x = 1,200,817.70

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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.