Home / 1,920,628.80-2,877,152.40-974,678.40

Finding the Fourth Proportional to 1,920,628.80, 2,877,152.40 and 974,678.40

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Solution

The fourth proportional to 1,920,628.80, 2,877,152.40 and 974,678.40 is: 1,460,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,628.80 : 2,877,152.40 = 974,678.40 : x
  2. Step 2: Convert to fraction form
    1,920,628.80/2,877,152.40 = 974,678.40/x
  3. Step 3: Cross multiply
    1,920,628.80x = 2,877,152.40 × 974,678.40
  4. Step 4: Simplify right side
    1,920,628.80x = 2,804,298,297,788.16
  5. Step 5: Solve for x
    x = 2,804,298,297,788.16/1,920,628.80
  6. Step 6: Final answer
    x = 1,460,093.85

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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.