Home / 1,112,455.80-1,668,683.70-480,929.40

Finding the Fourth Proportional to 1,112,455.80, 1,668,683.70 and 480,929.40

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Solution

The fourth proportional to 1,112,455.80, 1,668,683.70 and 480,929.40 is: 721,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,455.80 : 1,668,683.70 = 480,929.40 : x
  2. Step 2: Convert to fraction form
    1,112,455.80/1,668,683.70 = 480,929.40/x
  3. Step 3: Cross multiply
    1,112,455.80x = 1,668,683.70 × 480,929.40
  4. Step 4: Simplify right side
    1,112,455.80x = 802,519,050,630.78
  5. Step 5: Solve for x
    x = 802,519,050,630.78/1,112,455.80
  6. Step 6: Final answer
    x = 721,394.10

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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.