Home / 1,678,345.29-2,316,035.91-953,097.21

Finding the Fourth Proportional to 1,678,345.29, 2,316,035.91 and 953,097.21

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Solution

The fourth proportional to 1,678,345.29, 2,316,035.91 and 953,097.21 is: 1,315,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,345.29 : 2,316,035.91 = 953,097.21 : x
  2. Step 2: Convert to fraction form
    1,678,345.29/2,316,035.91 = 953,097.21/x
  3. Step 3: Cross multiply
    1,678,345.29x = 2,316,035.91 × 953,097.21
  4. Step 4: Simplify right side
    1,678,345.29x = 2,207,407,364,080.81
  5. Step 5: Solve for x
    x = 2,207,407,364,080.81/1,678,345.29
  6. Step 6: Final answer
    x = 1,315,228.38

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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.