Home / 1,347,681.18-1,859,128.63-803,433.47

Finding the Fourth Proportional to 1,347,681.18, 1,859,128.63 and 803,433.47

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Solution

The fourth proportional to 1,347,681.18, 1,859,128.63 and 803,433.47 is: 1,108,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,681.18 : 1,859,128.63 = 803,433.47 : x
  2. Step 2: Convert to fraction form
    1,347,681.18/1,859,128.63 = 803,433.47/x
  3. Step 3: Cross multiply
    1,347,681.18x = 1,859,128.63 × 803,433.47
  4. Step 4: Simplify right side
    1,347,681.18x = 1,493,686,169,016.48
  5. Step 5: Solve for x
    x = 1,493,686,169,016.48/1,347,681.18
  6. Step 6: Final answer
    x = 1,108,337.93

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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.