Home / 1,189,526.02-1,641,547.50-645,661.92

Finding the Fourth Proportional to 1,189,526.02, 1,641,547.50 and 645,661.92

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Solution

The fourth proportional to 1,189,526.02, 1,641,547.50 and 645,661.92 is: 891,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,526.02 : 1,641,547.50 = 645,661.92 : x
  2. Step 2: Convert to fraction form
    1,189,526.02/1,641,547.50 = 645,661.92/x
  3. Step 3: Cross multiply
    1,189,526.02x = 1,641,547.50 × 645,661.92
  4. Step 4: Simplify right side
    1,189,526.02x = 1,059,884,710,621.20
  5. Step 5: Solve for x
    x = 1,059,884,710,621.20/1,189,526.02
  6. Step 6: Final answer
    x = 891,014.31

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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.