Home / 1,009,089.84-1,392,538.32-556,381.20

Finding the Fourth Proportional to 1,009,089.84, 1,392,538.32 and 556,381.20

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Solution

The fourth proportional to 1,009,089.84, 1,392,538.32 and 556,381.20 is: 767,802.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,089.84 : 1,392,538.32 = 556,381.20 : x
  2. Step 2: Convert to fraction form
    1,009,089.84/1,392,538.32 = 556,381.20/x
  3. Step 3: Cross multiply
    1,009,089.84x = 1,392,538.32 × 556,381.20
  4. Step 4: Simplify right side
    1,009,089.84x = 774,782,141,527.58
  5. Step 5: Solve for x
    x = 774,782,141,527.58/1,009,089.84
  6. Step 6: Final answer
    x = 767,802.94

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Double scale
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1.5x scale

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.