Home / 1,316,534.70-1,816,807.50-712,922.70

Finding the Fourth Proportional to 1,316,534.70, 1,816,807.50 and 712,922.70

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Solution

The fourth proportional to 1,316,534.70, 1,816,807.50 and 712,922.70 is: 983,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,534.70 : 1,816,807.50 = 712,922.70 : x
  2. Step 2: Convert to fraction form
    1,316,534.70/1,816,807.50 = 712,922.70/x
  3. Step 3: Cross multiply
    1,316,534.70x = 1,816,807.50 × 712,922.70
  4. Step 4: Simplify right side
    1,316,534.70x = 1,295,243,308,280.25
  5. Step 5: Solve for x
    x = 1,295,243,308,280.25/1,316,534.70
  6. Step 6: Final answer
    x = 983,827.70

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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.