Home / 1,140,150.08-1,574,337.20-732,454.40

Finding the Fourth Proportional to 1,140,150.08, 1,574,337.20 and 732,454.40

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Solution

The fourth proportional to 1,140,150.08, 1,574,337.20 and 732,454.40 is: 1,011,384.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,150.08 : 1,574,337.20 = 732,454.40 : x
  2. Step 2: Convert to fraction form
    1,140,150.08/1,574,337.20 = 732,454.40/x
  3. Step 3: Cross multiply
    1,140,150.08x = 1,574,337.20 × 732,454.40
  4. Step 4: Simplify right side
    1,140,150.08x = 1,153,130,209,223.68
  5. Step 5: Solve for x
    x = 1,153,130,209,223.68/1,140,150.08
  6. Step 6: Final answer
    x = 1,011,384.58

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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.