Home / 1,400,929.17-2,101,395.33-390,053.36

Finding the Fourth Proportional to 1,400,929.17, 2,101,395.33 and 390,053.36

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Solution

The fourth proportional to 1,400,929.17, 2,101,395.33 and 390,053.36 is: 585,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,929.17 : 2,101,395.33 = 390,053.36 : x
  2. Step 2: Convert to fraction form
    1,400,929.17/2,101,395.33 = 390,053.36/x
  3. Step 3: Cross multiply
    1,400,929.17x = 2,101,395.33 × 390,053.36
  4. Step 4: Simplify right side
    1,400,929.17x = 819,656,298,647.83
  5. Step 5: Solve for x
    x = 819,656,298,647.83/1,400,929.17
  6. Step 6: Final answer
    x = 585,080.47

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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.