Home / 1,369,526.16-1,890,205.56-917,602.32

Finding the Fourth Proportional to 1,369,526.16, 1,890,205.56 and 917,602.32

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Solution

The fourth proportional to 1,369,526.16, 1,890,205.56 and 917,602.32 is: 1,266,465.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,526.16 : 1,890,205.56 = 917,602.32 : x
  2. Step 2: Convert to fraction form
    1,369,526.16/1,890,205.56 = 917,602.32/x
  3. Step 3: Cross multiply
    1,369,526.16x = 1,890,205.56 × 917,602.32
  4. Step 4: Simplify right side
    1,369,526.16x = 1,734,457,007,132.90
  5. Step 5: Solve for x
    x = 1,734,457,007,132.90/1,369,526.16
  6. Step 6: Final answer
    x = 1,266,465.04

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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.