Home / 1,670,400.79-2,305,153.09-906,454.35

Finding the Fourth Proportional to 1,670,400.79, 2,305,153.09 and 906,454.35

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Solution

The fourth proportional to 1,670,400.79, 2,305,153.09 and 906,454.35 is: 1,250,907.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,400.79 : 2,305,153.09 = 906,454.35 : x
  2. Step 2: Convert to fraction form
    1,670,400.79/2,305,153.09 = 906,454.35/x
  3. Step 3: Cross multiply
    1,670,400.79x = 2,305,153.09 × 906,454.35
  4. Step 4: Simplify right side
    1,670,400.79x = 2,089,516,050,913.35
  5. Step 5: Solve for x
    x = 2,089,516,050,913.35/1,670,400.79
  6. Step 6: Final answer
    x = 1,250,907.01

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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.