Home / 1,113,264.40-1,669,896.60-403,315.60

Finding the Fourth Proportional to 1,113,264.40, 1,669,896.60 and 403,315.60

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Solution

The fourth proportional to 1,113,264.40, 1,669,896.60 and 403,315.60 is: 604,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,264.40 : 1,669,896.60 = 403,315.60 : x
  2. Step 2: Convert to fraction form
    1,113,264.40/1,669,896.60 = 403,315.60/x
  3. Step 3: Cross multiply
    1,113,264.40x = 1,669,896.60 × 403,315.60
  4. Step 4: Simplify right side
    1,113,264.40x = 673,495,349,166.96
  5. Step 5: Solve for x
    x = 673,495,349,166.96/1,113,264.40
  6. Step 6: Final answer
    x = 604,973.40

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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.