Home / 1,634,483.30-2,255,580.15-909,400.46

Finding the Fourth Proportional to 1,634,483.30, 2,255,580.15 and 909,400.46

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Solution

The fourth proportional to 1,634,483.30, 2,255,580.15 and 909,400.46 is: 1,254,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,483.30 : 2,255,580.15 = 909,400.46 : x
  2. Step 2: Convert to fraction form
    1,634,483.30/2,255,580.15 = 909,400.46/x
  3. Step 3: Cross multiply
    1,634,483.30x = 2,255,580.15 × 909,400.46
  4. Step 4: Simplify right side
    1,634,483.30x = 2,051,225,625,976.87
  5. Step 5: Solve for x
    x = 2,051,225,625,976.87/1,634,483.30
  6. Step 6: Final answer
    x = 1,254,968.85

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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.