Home / 1,554,810.34-2,145,711.32-910,438.13

Finding the Fourth Proportional to 1,554,810.34, 2,145,711.32 and 910,438.13

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Solution

The fourth proportional to 1,554,810.34, 2,145,711.32 and 910,438.13 is: 1,256,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,810.34 : 2,145,711.32 = 910,438.13 : x
  2. Step 2: Convert to fraction form
    1,554,810.34/2,145,711.32 = 910,438.13/x
  3. Step 3: Cross multiply
    1,554,810.34x = 2,145,711.32 × 910,438.13
  4. Step 4: Simplify right side
    1,554,810.34x = 1,953,537,401,700.63
  5. Step 5: Solve for x
    x = 1,953,537,401,700.63/1,554,810.34
  6. Step 6: Final answer
    x = 1,256,447.40

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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.