Home / 1,370,555.17-1,891,381.10-758,718.15

Finding the Fourth Proportional to 1,370,555.17, 1,891,381.10 and 758,718.15

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Solution

The fourth proportional to 1,370,555.17, 1,891,381.10 and 758,718.15 is: 1,047,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,555.17 : 1,891,381.10 = 758,718.15 : x
  2. Step 2: Convert to fraction form
    1,370,555.17/1,891,381.10 = 758,718.15/x
  3. Step 3: Cross multiply
    1,370,555.17x = 1,891,381.10 × 758,718.15
  4. Step 4: Simplify right side
    1,370,555.17x = 1,435,025,155,886.47
  5. Step 5: Solve for x
    x = 1,435,025,155,886.47/1,370,555.17
  6. Step 6: Final answer
    x = 1,047,039.32

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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.