Home / 1,339,823.28-1,849,038.78-766,851.18

Finding the Fourth Proportional to 1,339,823.28, 1,849,038.78 and 766,851.18

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Solution

The fourth proportional to 1,339,823.28, 1,849,038.78 and 766,851.18 is: 1,058,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,823.28 : 1,849,038.78 = 766,851.18 : x
  2. Step 2: Convert to fraction form
    1,339,823.28/1,849,038.78 = 766,851.18/x
  3. Step 3: Cross multiply
    1,339,823.28x = 1,849,038.78 × 766,851.18
  4. Step 4: Simplify right side
    1,339,823.28x = 1,417,937,570,308.76
  5. Step 5: Solve for x
    x = 1,417,937,570,308.76/1,339,823.28
  6. Step 6: Final answer
    x = 1,058,301.94

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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.