Home / 1,223,835.40-1,687,531.35-836,713.90

Finding the Fourth Proportional to 1,223,835.40, 1,687,531.35 and 836,713.90

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Solution

The fourth proportional to 1,223,835.40, 1,687,531.35 and 836,713.90 is: 1,153,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,835.40 : 1,687,531.35 = 836,713.90 : x
  2. Step 2: Convert to fraction form
    1,223,835.40/1,687,531.35 = 836,713.90/x
  3. Step 3: Cross multiply
    1,223,835.40x = 1,687,531.35 × 836,713.90
  4. Step 4: Simplify right side
    1,223,835.40x = 1,411,980,937,230.77
  5. Step 5: Solve for x
    x = 1,411,980,937,230.77/1,223,835.40
  6. Step 6: Final answer
    x = 1,153,734.35

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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.