Home / 1,429,264.17-1,972,401.01-784,670.51

Finding the Fourth Proportional to 1,429,264.17, 1,972,401.01 and 784,670.51

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Solution

The fourth proportional to 1,429,264.17, 1,972,401.01 and 784,670.51 is: 1,082,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,264.17 : 1,972,401.01 = 784,670.51 : x
  2. Step 2: Convert to fraction form
    1,429,264.17/1,972,401.01 = 784,670.51/x
  3. Step 3: Cross multiply
    1,429,264.17x = 1,972,401.01 × 784,670.51
  4. Step 4: Simplify right side
    1,429,264.17x = 1,547,684,909,410.54
  5. Step 5: Solve for x
    x = 1,547,684,909,410.54/1,429,264.17
  6. Step 6: Final answer
    x = 1,082,854.34

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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.