Home / 1,718,688.30-2,578,032.45-972,192.30

Finding the Fourth Proportional to 1,718,688.30, 2,578,032.45 and 972,192.30

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Solution

The fourth proportional to 1,718,688.30, 2,578,032.45 and 972,192.30 is: 1,458,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,688.30 : 2,578,032.45 = 972,192.30 : x
  2. Step 2: Convert to fraction form
    1,718,688.30/2,578,032.45 = 972,192.30/x
  3. Step 3: Cross multiply
    1,718,688.30x = 2,578,032.45 × 972,192.30
  4. Step 4: Simplify right side
    1,718,688.30x = 2,506,343,297,040.14
  5. Step 5: Solve for x
    x = 2,506,343,297,040.14/1,718,688.30
  6. Step 6: Final answer
    x = 1,458,288.45

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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.