Home / 1,142,424.64-1,710,442.08-861,060.16

Finding the Fourth Proportional to 1,142,424.64, 1,710,442.08 and 861,060.16

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Solution

The fourth proportional to 1,142,424.64, 1,710,442.08 and 861,060.16 is: 1,289,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,424.64 : 1,710,442.08 = 861,060.16 : x
  2. Step 2: Convert to fraction form
    1,142,424.64/1,710,442.08 = 861,060.16/x
  3. Step 3: Cross multiply
    1,142,424.64x = 1,710,442.08 × 861,060.16
  4. Step 4: Simplify right side
    1,142,424.64x = 1,472,793,531,075.53
  5. Step 5: Solve for x
    x = 1,472,793,531,075.53/1,142,424.64
  6. Step 6: Final answer
    x = 1,289,182.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.