Home / 1,007,776.60-1,390,679.22-625,795.18

Finding the Fourth Proportional to 1,007,776.60, 1,390,679.22 and 625,795.18

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Solution

The fourth proportional to 1,007,776.60, 1,390,679.22 and 625,795.18 is: 863,564.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,776.60 : 1,390,679.22 = 625,795.18 : x
  2. Step 2: Convert to fraction form
    1,007,776.60/1,390,679.22 = 625,795.18/x
  3. Step 3: Cross multiply
    1,007,776.60x = 1,390,679.22 × 625,795.18
  4. Step 4: Simplify right side
    1,007,776.60x = 870,280,352,802.16
  5. Step 5: Solve for x
    x = 870,280,352,802.16/1,007,776.60
  6. Step 6: Final answer
    x = 863,564.76

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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.