Home / 1,087,032.12-1,499,767.93-627,979.18

Finding the Fourth Proportional to 1,087,032.12, 1,499,767.93 and 627,979.18

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Solution

The fourth proportional to 1,087,032.12, 1,499,767.93 and 627,979.18 is: 866,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,032.12 : 1,499,767.93 = 627,979.18 : x
  2. Step 2: Convert to fraction form
    1,087,032.12/1,499,767.93 = 627,979.18/x
  3. Step 3: Cross multiply
    1,087,032.12x = 1,499,767.93 × 627,979.18
  4. Step 4: Simplify right side
    1,087,032.12x = 941,823,032,953.13
  5. Step 5: Solve for x
    x = 941,823,032,953.13/1,087,032.12
  6. Step 6: Final answer
    x = 866,416.93

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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.