Home / 1,521,291.79-2,282,287.65-510,547.87

Finding the Fourth Proportional to 1,521,291.79, 2,282,287.65 and 510,547.87

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Solution

The fourth proportional to 1,521,291.79, 2,282,287.65 and 510,547.87 is: 765,939.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,291.79 : 2,282,287.65 = 510,547.87 : x
  2. Step 2: Convert to fraction form
    1,521,291.79/2,282,287.65 = 510,547.87/x
  3. Step 3: Cross multiply
    1,521,291.79x = 2,282,287.65 × 510,547.87
  4. Step 4: Simplify right side
    1,521,291.79x = 1,165,217,098,434.81
  5. Step 5: Solve for x
    x = 1,165,217,098,434.81/1,521,291.79
  6. Step 6: Final answer
    x = 765,939.25

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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.