Home / 1,155,920.70-1,731,807.45-990,032.70

Finding the Fourth Proportional to 1,155,920.70, 1,731,807.45 and 990,032.70

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Solution

The fourth proportional to 1,155,920.70, 1,731,807.45 and 990,032.70 is: 1,483,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,920.70 : 1,731,807.45 = 990,032.70 : x
  2. Step 2: Convert to fraction form
    1,155,920.70/1,731,807.45 = 990,032.70/x
  3. Step 3: Cross multiply
    1,155,920.70x = 1,731,807.45 × 990,032.70
  4. Step 4: Simplify right side
    1,155,920.70x = 1,714,546,005,603.62
  5. Step 5: Solve for x
    x = 1,714,546,005,603.62/1,155,920.70
  6. Step 6: Final answer
    x = 1,483,273.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.