Home / 1,091,810.72-1,506,678.40-608,365.60

Finding the Fourth Proportional to 1,091,810.72, 1,506,678.40 and 608,365.60

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Solution

The fourth proportional to 1,091,810.72, 1,506,678.40 and 608,365.60 is: 839,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,810.72 : 1,506,678.40 = 608,365.60 : x
  2. Step 2: Convert to fraction form
    1,091,810.72/1,506,678.40 = 608,365.60/x
  3. Step 3: Cross multiply
    1,091,810.72x = 1,506,678.40 × 608,365.60
  4. Step 4: Simplify right side
    1,091,810.72x = 916,611,308,823.04
  5. Step 5: Solve for x
    x = 916,611,308,823.04/1,091,810.72
  6. Step 6: Final answer
    x = 839,533.16

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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.