Home / 1,335,875.84-1,999,083.64-830,674.72

Finding the Fourth Proportional to 1,335,875.84, 1,999,083.64 and 830,674.72

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Solution

The fourth proportional to 1,335,875.84, 1,999,083.64 and 830,674.72 is: 1,243,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,875.84 : 1,999,083.64 = 830,674.72 : x
  2. Step 2: Convert to fraction form
    1,335,875.84/1,999,083.64 = 830,674.72/x
  3. Step 3: Cross multiply
    1,335,875.84x = 1,999,083.64 × 830,674.72
  4. Step 4: Simplify right side
    1,335,875.84x = 1,660,588,242,913.58
  5. Step 5: Solve for x
    x = 1,660,588,242,913.58/1,335,875.84
  6. Step 6: Final answer
    x = 1,243,070.80

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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.