Home / 1,464,582-2,021,153.88-828,678

Finding the Fourth Proportional to 1,464,582, 2,021,153.88 and 828,678

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Solution

The fourth proportional to 1,464,582, 2,021,153.88 and 828,678 is: 1,143,593.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,582 : 2,021,153.88 = 828,678 : x
  2. Step 2: Convert to fraction form
    1,464,582/2,021,153.88 = 828,678/x
  3. Step 3: Cross multiply
    1,464,582x = 2,021,153.88 × 828,678
  4. Step 4: Simplify right side
    1,464,582x = 1,674,885,754,970.64
  5. Step 5: Solve for x
    x = 1,674,885,754,970.64/1,464,582
  6. Step 6: Final answer
    x = 1,143,593.02

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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.