Home / 1,276,864.94-1,762,085.40-703,925.58

Finding the Fourth Proportional to 1,276,864.94, 1,762,085.40 and 703,925.58

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Solution

The fourth proportional to 1,276,864.94, 1,762,085.40 and 703,925.58 is: 971,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,864.94 : 1,762,085.40 = 703,925.58 : x
  2. Step 2: Convert to fraction form
    1,276,864.94/1,762,085.40 = 703,925.58/x
  3. Step 3: Cross multiply
    1,276,864.94x = 1,762,085.40 × 703,925.58
  4. Step 4: Simplify right side
    1,276,864.94x = 1,240,376,987,204.53
  5. Step 5: Solve for x
    x = 1,240,376,987,204.53/1,276,864.94
  6. Step 6: Final answer
    x = 971,423.80

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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.