Home / 1,036,828.40-1,555,009.20-371,980.40

Finding the Fourth Proportional to 1,036,828.40, 1,555,009.20 and 371,980.40

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Solution

The fourth proportional to 1,036,828.40, 1,555,009.20 and 371,980.40 is: 557,886.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,828.40 : 1,555,009.20 = 371,980.40 : x
  2. Step 2: Convert to fraction form
    1,036,828.40/1,555,009.20 = 371,980.40/x
  3. Step 3: Cross multiply
    1,036,828.40x = 1,555,009.20 × 371,980.40
  4. Step 4: Simplify right side
    1,036,828.40x = 578,432,944,219.68
  5. Step 5: Solve for x
    x = 578,432,944,219.68/1,036,828.40
  6. Step 6: Final answer
    x = 557,886.86

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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.