Home / 1,009,706.32-1,393,398.68-550,830.68

Finding the Fourth Proportional to 1,009,706.32, 1,393,398.68 and 550,830.68

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Solution

The fourth proportional to 1,009,706.32, 1,393,398.68 and 550,830.68 is: 760,148.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,706.32 : 1,393,398.68 = 550,830.68 : x
  2. Step 2: Convert to fraction form
    1,009,706.32/1,393,398.68 = 550,830.68/x
  3. Step 3: Cross multiply
    1,009,706.32x = 1,393,398.68 × 550,830.68
  4. Step 4: Simplify right side
    1,009,706.32x = 767,526,742,415.50
  5. Step 5: Solve for x
    x = 767,526,742,415.50/1,009,706.32
  6. Step 6: Final answer
    x = 760,148.50

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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.