Home / 1,235,090.40-1,852,808.40-525,112.80

Finding the Fourth Proportional to 1,235,090.40, 1,852,808.40 and 525,112.80

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Solution

The fourth proportional to 1,235,090.40, 1,852,808.40 and 525,112.80 is: 787,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,090.40 : 1,852,808.40 = 525,112.80 : x
  2. Step 2: Convert to fraction form
    1,235,090.40/1,852,808.40 = 525,112.80/x
  3. Step 3: Cross multiply
    1,235,090.40x = 1,852,808.40 × 525,112.80
  4. Step 4: Simplify right side
    1,235,090.40x = 972,933,406,787.52
  5. Step 5: Solve for x
    x = 972,933,406,787.52/1,235,090.40
  6. Step 6: Final answer
    x = 787,742.67

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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.