Home / 1,130,379.20-1,695,562.08-288,929.60

Finding the Fourth Proportional to 1,130,379.20, 1,695,562.08 and 288,929.60

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Solution

The fourth proportional to 1,130,379.20, 1,695,562.08 and 288,929.60 is: 433,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,379.20 : 1,695,562.08 = 288,929.60 : x
  2. Step 2: Convert to fraction form
    1,130,379.20/1,695,562.08 = 288,929.60/x
  3. Step 3: Cross multiply
    1,130,379.20x = 1,695,562.08 × 288,929.60
  4. Step 4: Simplify right side
    1,130,379.20x = 489,898,073,549.57
  5. Step 5: Solve for x
    x = 489,898,073,549.57/1,130,379.20
  6. Step 6: Final answer
    x = 433,392.68

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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.