Home / 1,018,552.76-1,528,547.09-478,833.68

Finding the Fourth Proportional to 1,018,552.76, 1,528,547.09 and 478,833.68

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Solution

The fourth proportional to 1,018,552.76, 1,528,547.09 and 478,833.68 is: 718,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,552.76 : 1,528,547.09 = 478,833.68 : x
  2. Step 2: Convert to fraction form
    1,018,552.76/1,528,547.09 = 478,833.68/x
  3. Step 3: Cross multiply
    1,018,552.76x = 1,528,547.09 × 478,833.68
  4. Step 4: Simplify right side
    1,018,552.76x = 731,919,818,121.09
  5. Step 5: Solve for x
    x = 731,919,818,121.09/1,018,552.76
  6. Step 6: Final answer
    x = 718,588.03

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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.