Home / 1,036,689.70-1,554,929.43-278,432.67

Finding the Fourth Proportional to 1,036,689.70, 1,554,929.43 and 278,432.67

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Solution

The fourth proportional to 1,036,689.70, 1,554,929.43 and 278,432.67 is: 417,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,689.70 : 1,554,929.43 = 278,432.67 : x
  2. Step 2: Convert to fraction form
    1,036,689.70/1,554,929.43 = 278,432.67/x
  3. Step 3: Cross multiply
    1,036,689.70x = 1,554,929.43 × 278,432.67
  4. Step 4: Simplify right side
    1,036,689.70x = 432,943,152,856.48
  5. Step 5: Solve for x
    x = 432,943,152,856.48/1,036,689.70
  6. Step 6: Final answer
    x = 417,620.77

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1.5x scale

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.