Home / 1,875,294.80-2,812,929.96-455,341.28

Finding the Fourth Proportional to 1,875,294.80, 2,812,929.96 and 455,341.28

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Solution

The fourth proportional to 1,875,294.80, 2,812,929.96 and 455,341.28 is: 683,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,294.80 : 2,812,929.96 = 455,341.28 : x
  2. Step 2: Convert to fraction form
    1,875,294.80/2,812,929.96 = 455,341.28/x
  3. Step 3: Cross multiply
    1,875,294.80x = 2,812,929.96 × 455,341.28
  4. Step 4: Simplify right side
    1,875,294.80x = 1,280,843,128,536.75
  5. Step 5: Solve for x
    x = 1,280,843,128,536.75/1,875,294.80
  6. Step 6: Final answer
    x = 683,008.95

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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.