Home / 1,154,962.35-1,593,851.58-645,664.68

Finding the Fourth Proportional to 1,154,962.35, 1,593,851.58 and 645,664.68

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Solution

The fourth proportional to 1,154,962.35, 1,593,851.58 and 645,664.68 is: 891,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,962.35 : 1,593,851.58 = 645,664.68 : x
  2. Step 2: Convert to fraction form
    1,154,962.35/1,593,851.58 = 645,664.68/x
  3. Step 3: Cross multiply
    1,154,962.35x = 1,593,851.58 × 645,664.68
  4. Step 4: Simplify right side
    1,154,962.35x = 1,029,093,670,368.19
  5. Step 5: Solve for x
    x = 1,029,093,670,368.19/1,154,962.35
  6. Step 6: Final answer
    x = 891,019.24

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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.