Home / 1,354,681.53-2,030,599.76-455,811.21

Finding the Fourth Proportional to 1,354,681.53, 2,030,599.76 and 455,811.21

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Solution

The fourth proportional to 1,354,681.53, 2,030,599.76 and 455,811.21 is: 683,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,681.53 : 2,030,599.76 = 455,811.21 : x
  2. Step 2: Convert to fraction form
    1,354,681.53/2,030,599.76 = 455,811.21/x
  3. Step 3: Cross multiply
    1,354,681.53x = 2,030,599.76 × 455,811.21
  4. Step 4: Simplify right side
    1,354,681.53x = 925,570,131,352.25
  5. Step 5: Solve for x
    x = 925,570,131,352.25/1,354,681.53
  6. Step 6: Final answer
    x = 683,238.17

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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.