Home / 1,089,420.60-1,633,547.70-457,620.60

Finding the Fourth Proportional to 1,089,420.60, 1,633,547.70 and 457,620.60

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Solution

The fourth proportional to 1,089,420.60, 1,633,547.70 and 457,620.60 is: 686,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,420.60 : 1,633,547.70 = 457,620.60 : x
  2. Step 2: Convert to fraction form
    1,089,420.60/1,633,547.70 = 457,620.60/x
  3. Step 3: Cross multiply
    1,089,420.60x = 1,633,547.70 × 457,620.60
  4. Step 4: Simplify right side
    1,089,420.60x = 747,545,078,602.62
  5. Step 5: Solve for x
    x = 747,545,078,602.62/1,089,420.60
  6. Step 6: Final answer
    x = 686,185.92

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1.5x scale

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.