Home / 1,402,143.55-1,934,637.11-885,275.63

Finding the Fourth Proportional to 1,402,143.55, 1,934,637.11 and 885,275.63

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Solution

The fourth proportional to 1,402,143.55, 1,934,637.11 and 885,275.63 is: 1,221,477.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,143.55 : 1,934,637.11 = 885,275.63 : x
  2. Step 2: Convert to fraction form
    1,402,143.55/1,934,637.11 = 885,275.63/x
  3. Step 3: Cross multiply
    1,402,143.55x = 1,934,637.11 × 885,275.63
  4. Step 4: Simplify right side
    1,402,143.55x = 1,712,687,082,851.74
  5. Step 5: Solve for x
    x = 1,712,687,082,851.74/1,402,143.55
  6. Step 6: Final answer
    x = 1,221,477.71

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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.