Home / 1,094,368.88-1,510,254.60-686,487.98

Finding the Fourth Proportional to 1,094,368.88, 1,510,254.60 and 686,487.98

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Solution

The fourth proportional to 1,094,368.88, 1,510,254.60 and 686,487.98 is: 947,369.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,368.88 : 1,510,254.60 = 686,487.98 : x
  2. Step 2: Convert to fraction form
    1,094,368.88/1,510,254.60 = 686,487.98/x
  3. Step 3: Cross multiply
    1,094,368.88x = 1,510,254.60 × 686,487.98
  4. Step 4: Simplify right side
    1,094,368.88x = 1,036,771,629,639.71
  5. Step 5: Solve for x
    x = 1,036,771,629,639.71/1,094,368.88
  6. Step 6: Final answer
    x = 947,369.44

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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.