Home / 1,158,889.01-1,738,582.63-390,463.10

Finding the Fourth Proportional to 1,158,889.01, 1,738,582.63 and 390,463.10

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Solution

The fourth proportional to 1,158,889.01, 1,738,582.63 and 390,463.10 is: 585,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,889.01 : 1,738,582.63 = 390,463.10 : x
  2. Step 2: Convert to fraction form
    1,158,889.01/1,738,582.63 = 390,463.10/x
  3. Step 3: Cross multiply
    1,158,889.01x = 1,738,582.63 × 390,463.10
  4. Step 4: Simplify right side
    1,158,889.01x = 678,852,360,166.57
  5. Step 5: Solve for x
    x = 678,852,360,166.57/1,158,889.01
  6. Step 6: Final answer
    x = 585,778.58

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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.