Home / 1,159,264.95-1,738,565.12-390,678.97

Finding the Fourth Proportional to 1,159,264.95, 1,738,565.12 and 390,678.97

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Solution

The fourth proportional to 1,159,264.95, 1,738,565.12 and 390,678.97 is: 585,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,264.95 : 1,738,565.12 = 390,678.97 : x
  2. Step 2: Convert to fraction form
    1,159,264.95/1,738,565.12 = 390,678.97/x
  3. Step 3: Cross multiply
    1,159,264.95x = 1,738,565.12 × 390,678.97
  4. Step 4: Simplify right side
    1,159,264.95x = 679,220,826,989.81
  5. Step 5: Solve for x
    x = 679,220,826,989.81/1,159,264.95
  6. Step 6: Final answer
    x = 585,906.46

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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.