Home / 936,246.40-1,402,526.40-869,891.20

Finding the Fourth Proportional to 936,246.40, 1,402,526.40 and 869,891.20

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Solution

The fourth proportional to 936,246.40, 1,402,526.40 and 869,891.20 is: 1,303,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,246.40 : 1,402,526.40 = 869,891.20 : x
  2. Step 2: Convert to fraction form
    936,246.40/1,402,526.40 = 869,891.20/x
  3. Step 3: Cross multiply
    936,246.40x = 1,402,526.40 × 869,891.20
  4. Step 4: Simplify right side
    936,246.40x = 1,220,045,373,127.68
  5. Step 5: Solve for x
    x = 1,220,045,373,127.68/936,246.40
  6. Step 6: Final answer
    x = 1,303,124.23

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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.