Home / 1,220,430.60-1,684,864.58-833,827.32

Finding the Fourth Proportional to 1,220,430.60, 1,684,864.58 and 833,827.32

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Solution

The fourth proportional to 1,220,430.60, 1,684,864.58 and 833,827.32 is: 1,151,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,430.60 : 1,684,864.58 = 833,827.32 : x
  2. Step 2: Convert to fraction form
    1,220,430.60/1,684,864.58 = 833,827.32/x
  3. Step 3: Cross multiply
    1,220,430.60x = 1,684,864.58 × 833,827.32
  4. Step 4: Simplify right side
    1,220,430.60x = 1,404,886,113,135.19
  5. Step 5: Solve for x
    x = 1,404,886,113,135.19/1,220,430.60
  6. Step 6: Final answer
    x = 1,151,139.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.