Home / 1,553,368.33-2,142,544.04-1,036,861.80

Finding the Fourth Proportional to 1,553,368.33, 2,142,544.04 and 1,036,861.80

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Solution

The fourth proportional to 1,553,368.33, 2,142,544.04 and 1,036,861.80 is: 1,430,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,368.33 : 2,142,544.04 = 1,036,861.80 : x
  2. Step 2: Convert to fraction form
    1,553,368.33/2,142,544.04 = 1,036,861.80/x
  3. Step 3: Cross multiply
    1,553,368.33x = 2,142,544.04 × 1,036,861.80
  4. Step 4: Simplify right side
    1,553,368.33x = 2,221,522,069,893.67
  5. Step 5: Solve for x
    x = 2,221,522,069,893.67/1,553,368.33
  6. Step 6: Final answer
    x = 1,430,132.20

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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.