Home / 1,559,303.74-2,151,815.94-870,985.18

Finding the Fourth Proportional to 1,559,303.74, 2,151,815.94 and 870,985.18

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Solution

The fourth proportional to 1,559,303.74, 2,151,815.94 and 870,985.18 is: 1,201,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,303.74 : 2,151,815.94 = 870,985.18 : x
  2. Step 2: Convert to fraction form
    1,559,303.74/2,151,815.94 = 870,985.18/x
  3. Step 3: Cross multiply
    1,559,303.74x = 2,151,815.94 × 870,985.18
  4. Step 4: Simplify right side
    1,559,303.74x = 1,874,199,793,827.77
  5. Step 5: Solve for x
    x = 1,874,199,793,827.77/1,559,303.74
  6. Step 6: Final answer
    x = 1,201,946.58

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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.