Home / 1,780,368.30-2,456,909.64-1,045,178.67

Finding the Fourth Proportional to 1,780,368.30, 2,456,909.64 and 1,045,178.67

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Solution

The fourth proportional to 1,780,368.30, 2,456,909.64 and 1,045,178.67 is: 1,442,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,368.30 : 2,456,909.64 = 1,045,178.67 : x
  2. Step 2: Convert to fraction form
    1,780,368.30/2,456,909.64 = 1,045,178.67/x
  3. Step 3: Cross multiply
    1,780,368.30x = 2,456,909.64 × 1,045,178.67
  4. Step 4: Simplify right side
    1,780,368.30x = 2,567,909,549,845.38
  5. Step 5: Solve for x
    x = 2,567,909,549,845.38/1,780,368.30
  6. Step 6: Final answer
    x = 1,442,347.38

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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.